Home / 9,115.62-13,663.71-3,849.54

Finding the Fourth Proportional to 9,115.62, 13,663.71 and 3,849.54

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Solution

The fourth proportional to 9,115.62, 13,663.71 and 3,849.54 is: 5,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.62 : 13,663.71 = 3,849.54 : x
  2. Step 2: Convert to fraction form
    9,115.62/13,663.71 = 3,849.54/x
  3. Step 3: Cross multiply
    9,115.62x = 13,663.71 × 3,849.54
  4. Step 4: Simplify right side
    9,115.62x = 52,598,998.19
  5. Step 5: Solve for x
    x = 52,598,998.19/9,115.62
  6. Step 6: Final answer
    x = 5,770.21

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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.