Home / 8,514.98-12,759.45-3,581.91

Finding the Fourth Proportional to 8,514.98, 12,759.45 and 3,581.91

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Solution

The fourth proportional to 8,514.98, 12,759.45 and 3,581.91 is: 5,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.98 : 12,759.45 = 3,581.91 : x
  2. Step 2: Convert to fraction form
    8,514.98/12,759.45 = 3,581.91/x
  3. Step 3: Cross multiply
    8,514.98x = 12,759.45 × 3,581.91
  4. Step 4: Simplify right side
    8,514.98x = 45,703,201.55
  5. Step 5: Solve for x
    x = 45,703,201.55/8,514.98
  6. Step 6: Final answer
    x = 5,367.39

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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.