Home / 8,418.38-12,627.60-3,737.30

Finding the Fourth Proportional to 8,418.38, 12,627.60 and 3,737.30

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Solution

The fourth proportional to 8,418.38, 12,627.60 and 3,737.30 is: 5,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.38 : 12,627.60 = 3,737.30 : x
  2. Step 2: Convert to fraction form
    8,418.38/12,627.60 = 3,737.30/x
  3. Step 3: Cross multiply
    8,418.38x = 12,627.60 × 3,737.30
  4. Step 4: Simplify right side
    8,418.38x = 47,193,129.48
  5. Step 5: Solve for x
    x = 47,193,129.48/8,418.38
  6. Step 6: Final answer
    x = 5,605.96

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1.5x scale

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.