Home / 8,132.62-12,190.54-3,967.49

Finding the Fourth Proportional to 8,132.62, 12,190.54 and 3,967.49

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Solution

The fourth proportional to 8,132.62, 12,190.54 and 3,967.49 is: 5,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.62 : 12,190.54 = 3,967.49 : x
  2. Step 2: Convert to fraction form
    8,132.62/12,190.54 = 3,967.49/x
  3. Step 3: Cross multiply
    8,132.62x = 12,190.54 × 3,967.49
  4. Step 4: Simplify right side
    8,132.62x = 48,365,845.54
  5. Step 5: Solve for x
    x = 48,365,845.54/8,132.62
  6. Step 6: Final answer
    x = 5,947.14

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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.