Dimension of smaller garden :
l = 1/2 ft.
b = 2/3 ft.
Dimension of bigger garden :
L = 4 ft.
Let , breadth be x ft.
We know , area is given by :
Area = L×B.
Area of small garden = [tex]\dfrac{1}{2}\times\dfrac{2}{3}=\dfrac{1}{3}\ ft^2[/tex]
Area of big garden [tex]=4\times x=4x\ ft^2[/tex]
Hence, this is the required solution.