Home / 6,743.76-9,306.18-3,759.42

Finding the Fourth Proportional to 6,743.76, 9,306.18 and 3,759.42

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Solution

The fourth proportional to 6,743.76, 9,306.18 and 3,759.42 is: 5,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.76 : 9,306.18 = 3,759.42 : x
  2. Step 2: Convert to fraction form
    6,743.76/9,306.18 = 3,759.42/x
  3. Step 3: Cross multiply
    6,743.76x = 9,306.18 × 3,759.42
  4. Step 4: Simplify right side
    6,743.76x = 34,985,839.22
  5. Step 5: Solve for x
    x = 34,985,839.22/6,743.76
  6. Step 6: Final answer
    x = 5,187.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.