Finding the Fourth Proportional to 9,262.32, 12,782 and 5,070.56
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Solution
The fourth proportional to 9,262.32, 12,782 and 5,070.56 is: 6,997.37
Step by Step Solution
- Step 1: Write the proportion equation
9,262.32 : 12,782 = 5,070.56 : x - Step 2: Convert to fraction form
9,262.32/12,782 = 5,070.56/x - Step 3: Cross multiply
9,262.32x = 12,782 × 5,070.56 - Step 4: Simplify right side
9,262.32x = 64,811,897.92 - Step 5: Solve for x
x = 64,811,897.92/9,262.32 - Step 6: Final answer
x = 6,997.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.