Home / 8,764.86-13,147.31-3,834.88

Finding the Fourth Proportional to 8,764.86, 13,147.31 and 3,834.88

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Solution

The fourth proportional to 8,764.86, 13,147.31 and 3,834.88 is: 5,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.86 : 13,147.31 = 3,834.88 : x
  2. Step 2: Convert to fraction form
    8,764.86/13,147.31 = 3,834.88/x
  3. Step 3: Cross multiply
    8,764.86x = 13,147.31 × 3,834.88
  4. Step 4: Simplify right side
    8,764.86x = 50,418,406.85
  5. Step 5: Solve for x
    x = 50,418,406.85/8,764.86
  6. Step 6: Final answer
    x = 5,752.33

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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.