They look like they could be a 10, 8 & 6 to me. Anybody else?
I agree with auntginn
I'd say 10/8/6, too.
I think 4x6x8 - that is a small cake stand (comparing it to the cake server in the photo).
You might be right, when I took another look it does seem rather small. But looks can be decieving. You never know with pics these days.
My first thought was also 10, 8, 6 but after reading FromScratchSF post, you make an excellent point by looking at the server. Since you said that, I'm gonna have to agree with u. 4,6,8.
Most cake servers are 11.5 - 12" long... about 10" of the server is in the photo which is exactly the same size of the bottom tier.