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Finding the Fourth Proportional to 8,208.70, 12,310.17 and 2,363.74

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Solution

The fourth proportional to 8,208.70, 12,310.17 and 2,363.74 is: 3,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.70 : 12,310.17 = 2,363.74 : x
  2. Step 2: Convert to fraction form
    8,208.70/12,310.17 = 2,363.74/x
  3. Step 3: Cross multiply
    8,208.70x = 12,310.17 × 2,363.74
  4. Step 4: Simplify right side
    8,208.70x = 29,098,041.24
  5. Step 5: Solve for x
    x = 29,098,041.24/8,208.70
  6. Step 6: Final answer
    x = 3,544.78

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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.