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Finding the Fourth Proportional to 8,057.86, 12,086.73 and 4,383.44

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Solution

The fourth proportional to 8,057.86, 12,086.73 and 4,383.44 is: 6,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.86 : 12,086.73 = 4,383.44 : x
  2. Step 2: Convert to fraction form
    8,057.86/12,086.73 = 4,383.44/x
  3. Step 3: Cross multiply
    8,057.86x = 12,086.73 × 4,383.44
  4. Step 4: Simplify right side
    8,057.86x = 52,981,426.86
  5. Step 5: Solve for x
    x = 52,981,426.86/8,057.86
  6. Step 6: Final answer
    x = 6,575.13

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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.