No. Resolution is measured in single direction, horizontal being most used.
Such simple recalculations are only very rough measures.
25 Mb/s for 4K will be enough to get the current 2K broadcast PQ which questions the sense of the 4K. Remember
the H.264 2K broadcast is about 10 Mb/s realtime compression. But Blu-ray uses more than 25Mb/s and with multipass.
4K should be aiming for Blu-ray PQ to make sense but that will eat bandwidth