Home / 8,517.44-11,754.68-4,740.90

Finding the Fourth Proportional to 8,517.44, 11,754.68 and 4,740.90

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Solution

The fourth proportional to 8,517.44, 11,754.68 and 4,740.90 is: 6,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.44 : 11,754.68 = 4,740.90 : x
  2. Step 2: Convert to fraction form
    8,517.44/11,754.68 = 4,740.90/x
  3. Step 3: Cross multiply
    8,517.44x = 11,754.68 × 4,740.90
  4. Step 4: Simplify right side
    8,517.44x = 55,727,762.41
  5. Step 5: Solve for x
    x = 55,727,762.41/8,517.44
  6. Step 6: Final answer
    x = 6,542.78

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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.