Home / 8,933.12-13,381.61-4,257.66

Finding the Fourth Proportional to 8,933.12, 13,381.61 and 4,257.66

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Solution

The fourth proportional to 8,933.12, 13,381.61 and 4,257.66 is: 6,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.12 : 13,381.61 = 4,257.66 : x
  2. Step 2: Convert to fraction form
    8,933.12/13,381.61 = 4,257.66/x
  3. Step 3: Cross multiply
    8,933.12x = 13,381.61 × 4,257.66
  4. Step 4: Simplify right side
    8,933.12x = 56,974,374.53
  5. Step 5: Solve for x
    x = 56,974,374.53/8,933.12
  6. Step 6: Final answer
    x = 6,377.88

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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.