Finding the Fourth Proportional to 7,707.99, 11,552.25 and 6,424.95
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Solution
The fourth proportional to 7,707.99, 11,552.25 and 6,424.95 is: 9,629.31
Step by Step Solution
- Step 1: Write the proportion equation
7,707.99 : 11,552.25 = 6,424.95 : x - Step 2: Convert to fraction form
7,707.99/11,552.25 = 6,424.95/x - Step 3: Cross multiply
7,707.99x = 11,552.25 × 6,424.95 - Step 4: Simplify right side
7,707.99x = 74,222,628.64 - Step 5: Solve for x
x = 74,222,628.64/7,707.99 - Step 6: Final answer
x = 9,629.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.