Home / 8,911.38-13,375.17-4,234.26

Finding the Fourth Proportional to 8,911.38, 13,375.17 and 4,234.26

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Solution

The fourth proportional to 8,911.38, 13,375.17 and 4,234.26 is: 6,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.38 : 13,375.17 = 4,234.26 : x
  2. Step 2: Convert to fraction form
    8,911.38/13,375.17 = 4,234.26/x
  3. Step 3: Cross multiply
    8,911.38x = 13,375.17 × 4,234.26
  4. Step 4: Simplify right side
    8,911.38x = 56,633,947.32
  5. Step 5: Solve for x
    x = 56,633,947.32/8,911.38
  6. Step 6: Final answer
    x = 6,355.24

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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.