Home / 8,517.48-12,776.23-3,839.70

Finding the Fourth Proportional to 8,517.48, 12,776.23 and 3,839.70

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Solution

The fourth proportional to 8,517.48, 12,776.23 and 3,839.70 is: 5,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.48 : 12,776.23 = 3,839.70 : x
  2. Step 2: Convert to fraction form
    8,517.48/12,776.23 = 3,839.70/x
  3. Step 3: Cross multiply
    8,517.48x = 12,776.23 × 3,839.70
  4. Step 4: Simplify right side
    8,517.48x = 49,056,943.04
  5. Step 5: Solve for x
    x = 49,056,943.04/8,517.48
  6. Step 6: Final answer
    x = 5,759.56

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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.