Home / 8,423.70-12,635.55-3,233.22

Finding the Fourth Proportional to 8,423.70, 12,635.55 and 3,233.22

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Solution

The fourth proportional to 8,423.70, 12,635.55 and 3,233.22 is: 4,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.70 : 12,635.55 = 3,233.22 : x
  2. Step 2: Convert to fraction form
    8,423.70/12,635.55 = 3,233.22/x
  3. Step 3: Cross multiply
    8,423.70x = 12,635.55 × 3,233.22
  4. Step 4: Simplify right side
    8,423.70x = 40,853,512.97
  5. Step 5: Solve for x
    x = 40,853,512.97/8,423.70
  6. Step 6: Final answer
    x = 4,849.83

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Double scale
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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.