Home / 8,251.10-12,378.57-2,704.10

Finding the Fourth Proportional to 8,251.10, 12,378.57 and 2,704.10

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Solution

The fourth proportional to 8,251.10, 12,378.57 and 2,704.10 is: 4,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.10 : 12,378.57 = 2,704.10 : x
  2. Step 2: Convert to fraction form
    8,251.10/12,378.57 = 2,704.10/x
  3. Step 3: Cross multiply
    8,251.10x = 12,378.57 × 2,704.10
  4. Step 4: Simplify right side
    8,251.10x = 33,472,891.14
  5. Step 5: Solve for x
    x = 33,472,891.14/8,251.10
  6. Step 6: Final answer
    x = 4,056.78

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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.