Home / 8,081.44-12,102.92-4,122.97

Finding the Fourth Proportional to 8,081.44, 12,102.92 and 4,122.97

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Solution

The fourth proportional to 8,081.44, 12,102.92 and 4,122.97 is: 6,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.44 : 12,102.92 = 4,122.97 : x
  2. Step 2: Convert to fraction form
    8,081.44/12,102.92 = 4,122.97/x
  3. Step 3: Cross multiply
    8,081.44x = 12,102.92 × 4,122.97
  4. Step 4: Simplify right side
    8,081.44x = 49,899,940.66
  5. Step 5: Solve for x
    x = 49,899,940.66/8,081.44
  6. Step 6: Final answer
    x = 6,174.64

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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.