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Finding the Fourth Proportional to 8,374.53, 12,561.26 and 3,180.27

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Solution

The fourth proportional to 8,374.53, 12,561.26 and 3,180.27 is: 4,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.53 : 12,561.26 = 3,180.27 : x
  2. Step 2: Convert to fraction form
    8,374.53/12,561.26 = 3,180.27/x
  3. Step 3: Cross multiply
    8,374.53x = 12,561.26 × 3,180.27
  4. Step 4: Simplify right side
    8,374.53x = 39,948,182.44
  5. Step 5: Solve for x
    x = 39,948,182.44/8,374.53
  6. Step 6: Final answer
    x = 4,770.20

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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.