Home / 7,126.62-10,691.31-2,964.39

Finding the Fourth Proportional to 7,126.62, 10,691.31 and 2,964.39

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Solution

The fourth proportional to 7,126.62, 10,691.31 and 2,964.39 is: 4,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.62 : 10,691.31 = 2,964.39 : x
  2. Step 2: Convert to fraction form
    7,126.62/10,691.31 = 2,964.39/x
  3. Step 3: Cross multiply
    7,126.62x = 10,691.31 × 2,964.39
  4. Step 4: Simplify right side
    7,126.62x = 31,693,197.63
  5. Step 5: Solve for x
    x = 31,693,197.63/7,126.62
  6. Step 6: Final answer
    x = 4,447.16

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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.