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Finding the Fourth Proportional to 8,504.53, 12,754.96 and 2,660.38

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Solution

The fourth proportional to 8,504.53, 12,754.96 and 2,660.38 is: 3,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.53 : 12,754.96 = 2,660.38 : x
  2. Step 2: Convert to fraction form
    8,504.53/12,754.96 = 2,660.38/x
  3. Step 3: Cross multiply
    8,504.53x = 12,754.96 × 2,660.38
  4. Step 4: Simplify right side
    8,504.53x = 33,933,040.48
  5. Step 5: Solve for x
    x = 33,933,040.48/8,504.53
  6. Step 6: Final answer
    x = 3,990.00

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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.