Home / 7,126.83-10,691.25-2,196.87

Finding the Fourth Proportional to 7,126.83, 10,691.25 and 2,196.87

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Solution

The fourth proportional to 7,126.83, 10,691.25 and 2,196.87 is: 3,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.83 : 10,691.25 = 2,196.87 : x
  2. Step 2: Convert to fraction form
    7,126.83/10,691.25 = 2,196.87/x
  3. Step 3: Cross multiply
    7,126.83x = 10,691.25 × 2,196.87
  4. Step 4: Simplify right side
    7,126.83x = 23,487,286.39
  5. Step 5: Solve for x
    x = 23,487,286.39/7,126.83
  6. Step 6: Final answer
    x = 3,295.61

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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.