If a solid sphere of mass 5 kg and a disc of mass 4 kg have the same radius. Then the ratio of moment of inertia of the disc about a tangent in its…

If a solid sphere of mass $\displaystyle 5$ kg and a disc of mass $\displaystyle 4$ kg have the same radius. Then the ratio of moment of inertia of the disc about a tangent in its plane to the moment of inertia of the sphere about its tangent will be $\displaystyle \frac{x}{7}$. The the value of $\displaystyle x$ is $\displaystyle \_\_\_\_$