Home / 7,126.68-10,691.24-2,196.22

Finding the Fourth Proportional to 7,126.68, 10,691.24 and 2,196.22

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Solution

The fourth proportional to 7,126.68, 10,691.24 and 2,196.22 is: 3,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.68 : 10,691.24 = 2,196.22 : x
  2. Step 2: Convert to fraction form
    7,126.68/10,691.24 = 2,196.22/x
  3. Step 3: Cross multiply
    7,126.68x = 10,691.24 × 2,196.22
  4. Step 4: Simplify right side
    7,126.68x = 23,480,315.11
  5. Step 5: Solve for x
    x = 23,480,315.11/7,126.68
  6. Step 6: Final answer
    x = 3,294.71

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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.