Home / 7,387.74-11,061.12-5,747.49

Finding the Fourth Proportional to 7,387.74, 11,061.12 and 5,747.49

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Solution

The fourth proportional to 7,387.74, 11,061.12 and 5,747.49 is: 8,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.74 : 11,061.12 = 5,747.49 : x
  2. Step 2: Convert to fraction form
    7,387.74/11,061.12 = 5,747.49/x
  3. Step 3: Cross multiply
    7,387.74x = 11,061.12 × 5,747.49
  4. Step 4: Simplify right side
    7,387.74x = 63,573,676.59
  5. Step 5: Solve for x
    x = 63,573,676.59/7,387.74
  6. Step 6: Final answer
    x = 8,605.29

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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.