Home / 8,949.74-12,350.84-5,173.02

Finding the Fourth Proportional to 8,949.74, 12,350.84 and 5,173.02

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Solution

The fourth proportional to 8,949.74, 12,350.84 and 5,173.02 is: 7,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.74 : 12,350.84 = 5,173.02 : x
  2. Step 2: Convert to fraction form
    8,949.74/12,350.84 = 5,173.02/x
  3. Step 3: Cross multiply
    8,949.74x = 12,350.84 × 5,173.02
  4. Step 4: Simplify right side
    8,949.74x = 63,891,116.47
  5. Step 5: Solve for x
    x = 63,891,116.47/8,949.74
  6. Step 6: Final answer
    x = 7,138.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.