Home / 7,131.17-10,693.52-2,449.88

Finding the Fourth Proportional to 7,131.17, 10,693.52 and 2,449.88

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Solution

The fourth proportional to 7,131.17, 10,693.52 and 2,449.88 is: 3,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.17 : 10,693.52 = 2,449.88 : x
  2. Step 2: Convert to fraction form
    7,131.17/10,693.52 = 2,449.88/x
  3. Step 3: Cross multiply
    7,131.17x = 10,693.52 × 2,449.88
  4. Step 4: Simplify right side
    7,131.17x = 26,197,824.35
  5. Step 5: Solve for x
    x = 26,197,824.35/7,131.17
  6. Step 6: Final answer
    x = 3,673.71

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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.