Home / 8,061.52-12,091.92-3,380.32

Finding the Fourth Proportional to 8,061.52, 12,091.92 and 3,380.32

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Solution

The fourth proportional to 8,061.52, 12,091.92 and 3,380.32 is: 5,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.52 : 12,091.92 = 3,380.32 : x
  2. Step 2: Convert to fraction form
    8,061.52/12,091.92 = 3,380.32/x
  3. Step 3: Cross multiply
    8,061.52x = 12,091.92 × 3,380.32
  4. Step 4: Simplify right side
    8,061.52x = 40,874,559.01
  5. Step 5: Solve for x
    x = 40,874,559.01/8,061.52
  6. Step 6: Final answer
    x = 5,070.33

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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.