Home / 8,782.92-13,175.25-3,786.96

Finding the Fourth Proportional to 8,782.92, 13,175.25 and 3,786.96

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Solution

The fourth proportional to 8,782.92, 13,175.25 and 3,786.96 is: 5,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.92 : 13,175.25 = 3,786.96 : x
  2. Step 2: Convert to fraction form
    8,782.92/13,175.25 = 3,786.96/x
  3. Step 3: Cross multiply
    8,782.92x = 13,175.25 × 3,786.96
  4. Step 4: Simplify right side
    8,782.92x = 49,894,144.74
  5. Step 5: Solve for x
    x = 49,894,144.74/8,782.92
  6. Step 6: Final answer
    x = 5,680.82

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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.