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Finding the Fourth Proportional to 6,125.80, 8,452.90 and 3,472.68

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Solution

The fourth proportional to 6,125.80, 8,452.90 and 3,472.68 is: 4,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.80 : 8,452.90 = 3,472.68 : x
  2. Step 2: Convert to fraction form
    6,125.80/8,452.90 = 3,472.68/x
  3. Step 3: Cross multiply
    6,125.80x = 8,452.90 × 3,472.68
  4. Step 4: Simplify right side
    6,125.80x = 29,354,216.77
  5. Step 5: Solve for x
    x = 29,354,216.77/6,125.80
  6. Step 6: Final answer
    x = 4,791.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.