Home / 5,082.60-7,625.18-2,487.40

Finding the Fourth Proportional to 5,082.60, 7,625.18 and 2,487.40

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Solution

The fourth proportional to 5,082.60, 7,625.18 and 2,487.40 is: 3,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.60 : 7,625.18 = 2,487.40 : x
  2. Step 2: Convert to fraction form
    5,082.60/7,625.18 = 2,487.40/x
  3. Step 3: Cross multiply
    5,082.60x = 7,625.18 × 2,487.40
  4. Step 4: Simplify right side
    5,082.60x = 18,966,872.73
  5. Step 5: Solve for x
    x = 18,966,872.73/5,082.60
  6. Step 6: Final answer
    x = 3,731.73

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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.