Home / 8,766.90-13,138.83-4,151.22

Finding the Fourth Proportional to 8,766.90, 13,138.83 and 4,151.22

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Solution

The fourth proportional to 8,766.90, 13,138.83 and 4,151.22 is: 6,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.90 : 13,138.83 = 4,151.22 : x
  2. Step 2: Convert to fraction form
    8,766.90/13,138.83 = 4,151.22/x
  3. Step 3: Cross multiply
    8,766.90x = 13,138.83 × 4,151.22
  4. Step 4: Simplify right side
    8,766.90x = 54,542,173.87
  5. Step 5: Solve for x
    x = 54,542,173.87/8,766.90
  6. Step 6: Final answer
    x = 6,221.38

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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.