Home / 8,431.42-11,633.55-4,892.73

Finding the Fourth Proportional to 8,431.42, 11,633.55 and 4,892.73

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Solution

The fourth proportional to 8,431.42, 11,633.55 and 4,892.73 is: 6,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.42 : 11,633.55 = 4,892.73 : x
  2. Step 2: Convert to fraction form
    8,431.42/11,633.55 = 4,892.73/x
  3. Step 3: Cross multiply
    8,431.42x = 11,633.55 × 4,892.73
  4. Step 4: Simplify right side
    8,431.42x = 56,919,819.09
  5. Step 5: Solve for x
    x = 56,919,819.09/8,431.42
  6. Step 6: Final answer
    x = 6,750.92

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Half scale
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Double scale
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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.