Home / 7,127.14-10,691.72-2,197.18

Finding the Fourth Proportional to 7,127.14, 10,691.72 and 2,197.18

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Solution

The fourth proportional to 7,127.14, 10,691.72 and 2,197.18 is: 3,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.14 : 10,691.72 = 2,197.18 : x
  2. Step 2: Convert to fraction form
    7,127.14/10,691.72 = 2,197.18/x
  3. Step 3: Cross multiply
    7,127.14x = 10,691.72 × 2,197.18
  4. Step 4: Simplify right side
    7,127.14x = 23,491,633.35
  5. Step 5: Solve for x
    x = 23,491,633.35/7,127.14
  6. Step 6: Final answer
    x = 3,296.08

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1.5x scale

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.