Home / 5,489.32-7,575.75-3,251.71

Finding the Fourth Proportional to 5,489.32, 7,575.75 and 3,251.71

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Solution

The fourth proportional to 5,489.32, 7,575.75 and 3,251.71 is: 4,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.32 : 7,575.75 = 3,251.71 : x
  2. Step 2: Convert to fraction form
    5,489.32/7,575.75 = 3,251.71/x
  3. Step 3: Cross multiply
    5,489.32x = 7,575.75 × 3,251.71
  4. Step 4: Simplify right side
    5,489.32x = 24,634,142.03
  5. Step 5: Solve for x
    x = 24,634,142.03/5,489.32
  6. Step 6: Final answer
    x = 4,487.65

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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.