Home / 6,722.26-10,082.62-1,791.78

Finding the Fourth Proportional to 6,722.26, 10,082.62 and 1,791.78

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Solution

The fourth proportional to 6,722.26, 10,082.62 and 1,791.78 is: 2,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.26 : 10,082.62 = 1,791.78 : x
  2. Step 2: Convert to fraction form
    6,722.26/10,082.62 = 1,791.78/x
  3. Step 3: Cross multiply
    6,722.26x = 10,082.62 × 1,791.78
  4. Step 4: Simplify right side
    6,722.26x = 18,065,836.86
  5. Step 5: Solve for x
    x = 18,065,836.86/6,722.26
  6. Step 6: Final answer
    x = 2,687.46

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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.