Home / 5,489.89-7,575.45-3,251.86

Finding the Fourth Proportional to 5,489.89, 7,575.45 and 3,251.86

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Solution

The fourth proportional to 5,489.89, 7,575.45 and 3,251.86 is: 4,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.89 : 7,575.45 = 3,251.86 : x
  2. Step 2: Convert to fraction form
    5,489.89/7,575.45 = 3,251.86/x
  3. Step 3: Cross multiply
    5,489.89x = 7,575.45 × 3,251.86
  4. Step 4: Simplify right side
    5,489.89x = 24,634,302.84
  5. Step 5: Solve for x
    x = 24,634,302.84/5,489.89
  6. Step 6: Final answer
    x = 4,487.21

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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.