Finding the Fourth Proportional to 7,625.70, 11,430.36 and 4,984.92
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Solution
The fourth proportional to 7,625.70, 11,430.36 and 4,984.92 is: 7,472.03
Step by Step Solution
- Step 1: Write the proportion equation
7,625.70 : 11,430.36 = 4,984.92 : x - Step 2: Convert to fraction form
7,625.70/11,430.36 = 4,984.92/x - Step 3: Cross multiply
7,625.70x = 11,430.36 × 4,984.92 - Step 4: Simplify right side
7,625.70x = 56,979,430.17 - Step 5: Solve for x
x = 56,979,430.17/7,625.70 - Step 6: Final answer
x = 7,472.03
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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.