Home / 8,298.49-12,418.48-5,179.96

Finding the Fourth Proportional to 8,298.49, 12,418.48 and 5,179.96

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Solution

The fourth proportional to 8,298.49, 12,418.48 and 5,179.96 is: 7,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.49 : 12,418.48 = 5,179.96 : x
  2. Step 2: Convert to fraction form
    8,298.49/12,418.48 = 5,179.96/x
  3. Step 3: Cross multiply
    8,298.49x = 12,418.48 × 5,179.96
  4. Step 4: Simplify right side
    8,298.49x = 64,327,229.66
  5. Step 5: Solve for x
    x = 64,327,229.66/8,298.49
  6. Step 6: Final answer
    x = 7,751.68

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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.