Home / 8,921.53-13,381.89-3,727

Finding the Fourth Proportional to 8,921.53, 13,381.89 and 3,727

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Solution

The fourth proportional to 8,921.53, 13,381.89 and 3,727 is: 5,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.53 : 13,381.89 = 3,727 : x
  2. Step 2: Convert to fraction form
    8,921.53/13,381.89 = 3,727/x
  3. Step 3: Cross multiply
    8,921.53x = 13,381.89 × 3,727
  4. Step 4: Simplify right side
    8,921.53x = 49,874,304.03
  5. Step 5: Solve for x
    x = 49,874,304.03/8,921.53
  6. Step 6: Final answer
    x = 5,590.33

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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.