Home / 8,199.42-12,299.13-5,273.70

Finding the Fourth Proportional to 8,199.42, 12,299.13 and 5,273.70

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Solution

The fourth proportional to 8,199.42, 12,299.13 and 5,273.70 is: 7,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.42 : 12,299.13 = 5,273.70 : x
  2. Step 2: Convert to fraction form
    8,199.42/12,299.13 = 5,273.70/x
  3. Step 3: Cross multiply
    8,199.42x = 12,299.13 × 5,273.70
  4. Step 4: Simplify right side
    8,199.42x = 64,861,921.88
  5. Step 5: Solve for x
    x = 64,861,921.88/8,199.42
  6. Step 6: Final answer
    x = 7,910.55

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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.