Home / 8,171.12-11,276.04-4,445.12

Finding the Fourth Proportional to 8,171.12, 11,276.04 and 4,445.12

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Solution

The fourth proportional to 8,171.12, 11,276.04 and 4,445.12 is: 6,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.12 : 11,276.04 = 4,445.12 : x
  2. Step 2: Convert to fraction form
    8,171.12/11,276.04 = 4,445.12/x
  3. Step 3: Cross multiply
    8,171.12x = 11,276.04 × 4,445.12
  4. Step 4: Simplify right side
    8,171.12x = 50,123,350.92
  5. Step 5: Solve for x
    x = 50,123,350.92/8,171.12
  6. Step 6: Final answer
    x = 6,134.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.