Home / 8,276.13-12,411.56-2,728.44

Finding the Fourth Proportional to 8,276.13, 12,411.56 and 2,728.44

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Solution

The fourth proportional to 8,276.13, 12,411.56 and 2,728.44 is: 4,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.13 : 12,411.56 = 2,728.44 : x
  2. Step 2: Convert to fraction form
    8,276.13/12,411.56 = 2,728.44/x
  3. Step 3: Cross multiply
    8,276.13x = 12,411.56 × 2,728.44
  4. Step 4: Simplify right side
    8,276.13x = 33,864,234.62
  5. Step 5: Solve for x
    x = 33,864,234.62/8,276.13
  6. Step 6: Final answer
    x = 4,091.79

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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.