Home / 8,753.85-13,119.83-4,372.53

Finding the Fourth Proportional to 8,753.85, 13,119.83 and 4,372.53

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Solution

The fourth proportional to 8,753.85, 13,119.83 and 4,372.53 is: 6,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.85 : 13,119.83 = 4,372.53 : x
  2. Step 2: Convert to fraction form
    8,753.85/13,119.83 = 4,372.53/x
  3. Step 3: Cross multiply
    8,753.85x = 13,119.83 × 4,372.53
  4. Step 4: Simplify right side
    8,753.85x = 57,366,828.41
  5. Step 5: Solve for x
    x = 57,366,828.41/8,753.85
  6. Step 6: Final answer
    x = 6,553.33

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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.