Home / 8,729.26-13,086.18-3,467.97

Finding the Fourth Proportional to 8,729.26, 13,086.18 and 3,467.97

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Solution

The fourth proportional to 8,729.26, 13,086.18 and 3,467.97 is: 5,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.26 : 13,086.18 = 3,467.97 : x
  2. Step 2: Convert to fraction form
    8,729.26/13,086.18 = 3,467.97/x
  3. Step 3: Cross multiply
    8,729.26x = 13,086.18 × 3,467.97
  4. Step 4: Simplify right side
    8,729.26x = 45,382,479.65
  5. Step 5: Solve for x
    x = 45,382,479.65/8,729.26
  6. Step 6: Final answer
    x = 5,198.89

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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.