Home / 8,931.42-13,395.30-3,382.85

Finding the Fourth Proportional to 8,931.42, 13,395.30 and 3,382.85

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Solution

The fourth proportional to 8,931.42, 13,395.30 and 3,382.85 is: 5,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.42 : 13,395.30 = 3,382.85 : x
  2. Step 2: Convert to fraction form
    8,931.42/13,395.30 = 3,382.85/x
  3. Step 3: Cross multiply
    8,931.42x = 13,395.30 × 3,382.85
  4. Step 4: Simplify right side
    8,931.42x = 45,314,290.61
  5. Step 5: Solve for x
    x = 45,314,290.61/8,931.42
  6. Step 6: Final answer
    x = 5,073.58

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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.