Home / 4,254.30-6,381.45-4,167.90

Finding the Fourth Proportional to 4,254.30, 6,381.45 and 4,167.90

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Solution

The fourth proportional to 4,254.30, 6,381.45 and 4,167.90 is: 6,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.30 : 6,381.45 = 4,167.90 : x
  2. Step 2: Convert to fraction form
    4,254.30/6,381.45 = 4,167.90/x
  3. Step 3: Cross multiply
    4,254.30x = 6,381.45 × 4,167.90
  4. Step 4: Simplify right side
    4,254.30x = 26,597,245.46
  5. Step 5: Solve for x
    x = 26,597,245.46/4,254.30
  6. Step 6: Final answer
    x = 6,251.85

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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.