Home / 8,917.30-13,376.97-2,343.61

Finding the Fourth Proportional to 8,917.30, 13,376.97 and 2,343.61

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Solution

The fourth proportional to 8,917.30, 13,376.97 and 2,343.61 is: 3,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.30 : 13,376.97 = 2,343.61 : x
  2. Step 2: Convert to fraction form
    8,917.30/13,376.97 = 2,343.61/x
  3. Step 3: Cross multiply
    8,917.30x = 13,376.97 × 2,343.61
  4. Step 4: Simplify right side
    8,917.30x = 31,350,417.38
  5. Step 5: Solve for x
    x = 31,350,417.38/8,917.30
  6. Step 6: Final answer
    x = 3,515.68

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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.