Home / 5,251.04-7,861.60-3,687.36

Finding the Fourth Proportional to 5,251.04, 7,861.60 and 3,687.36

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Solution

The fourth proportional to 5,251.04, 7,861.60 and 3,687.36 is: 5,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.04 : 7,861.60 = 3,687.36 : x
  2. Step 2: Convert to fraction form
    5,251.04/7,861.60 = 3,687.36/x
  3. Step 3: Cross multiply
    5,251.04x = 7,861.60 × 3,687.36
  4. Step 4: Simplify right side
    5,251.04x = 28,988,549.38
  5. Step 5: Solve for x
    x = 28,988,549.38/5,251.04
  6. Step 6: Final answer
    x = 5,520.53

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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.