Home / 8,155.89-12,233.84-3,227.85

Finding the Fourth Proportional to 8,155.89, 12,233.84 and 3,227.85

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Solution

The fourth proportional to 8,155.89, 12,233.84 and 3,227.85 is: 4,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.89 : 12,233.84 = 3,227.85 : x
  2. Step 2: Convert to fraction form
    8,155.89/12,233.84 = 3,227.85/x
  3. Step 3: Cross multiply
    8,155.89x = 12,233.84 × 3,227.85
  4. Step 4: Simplify right side
    8,155.89x = 39,488,984.30
  5. Step 5: Solve for x
    x = 39,488,984.30/8,155.89
  6. Step 6: Final answer
    x = 4,841.78

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Similar ratio
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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.