Home / 8,449.20-12,676.50-3,519.36

Finding the Fourth Proportional to 8,449.20, 12,676.50 and 3,519.36

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Solution

The fourth proportional to 8,449.20, 12,676.50 and 3,519.36 is: 5,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.20 : 12,676.50 = 3,519.36 : x
  2. Step 2: Convert to fraction form
    8,449.20/12,676.50 = 3,519.36/x
  3. Step 3: Cross multiply
    8,449.20x = 12,676.50 × 3,519.36
  4. Step 4: Simplify right side
    8,449.20x = 44,613,167.04
  5. Step 5: Solve for x
    x = 44,613,167.04/8,449.20
  6. Step 6: Final answer
    x = 5,280.16

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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.