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Finding the Fourth Proportional to 6,839.80, 10,248.75 and 6,183.70

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Solution

The fourth proportional to 6,839.80, 10,248.75 and 6,183.70 is: 9,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.80 : 10,248.75 = 6,183.70 : x
  2. Step 2: Convert to fraction form
    6,839.80/10,248.75 = 6,183.70/x
  3. Step 3: Cross multiply
    6,839.80x = 10,248.75 × 6,183.70
  4. Step 4: Simplify right side
    6,839.80x = 63,375,169.75
  5. Step 5: Solve for x
    x = 63,375,169.75/6,839.80
  6. Step 6: Final answer
    x = 9,265.65

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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.