Home / 8,499.46-12,749.19-3,306.55

Finding the Fourth Proportional to 8,499.46, 12,749.19 and 3,306.55

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Solution

The fourth proportional to 8,499.46, 12,749.19 and 3,306.55 is: 4,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.46 : 12,749.19 = 3,306.55 : x
  2. Step 2: Convert to fraction form
    8,499.46/12,749.19 = 3,306.55/x
  3. Step 3: Cross multiply
    8,499.46x = 12,749.19 × 3,306.55
  4. Step 4: Simplify right side
    8,499.46x = 42,155,834.19
  5. Step 5: Solve for x
    x = 42,155,834.19/8,499.46
  6. Step 6: Final answer
    x = 4,959.83

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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.