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Finding the Fourth Proportional to 8,380.56, 12,570.87 and 2,833.95

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Solution

The fourth proportional to 8,380.56, 12,570.87 and 2,833.95 is: 4,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.56 : 12,570.87 = 2,833.95 : x
  2. Step 2: Convert to fraction form
    8,380.56/12,570.87 = 2,833.95/x
  3. Step 3: Cross multiply
    8,380.56x = 12,570.87 × 2,833.95
  4. Step 4: Simplify right side
    8,380.56x = 35,625,217.04
  5. Step 5: Solve for x
    x = 35,625,217.04/8,380.56
  6. Step 6: Final answer
    x = 4,250.94

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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.