Home / 8,079.50-12,119.23-2,236.09

Finding the Fourth Proportional to 8,079.50, 12,119.23 and 2,236.09

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Solution

The fourth proportional to 8,079.50, 12,119.23 and 2,236.09 is: 3,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.50 : 12,119.23 = 2,236.09 : x
  2. Step 2: Convert to fraction form
    8,079.50/12,119.23 = 2,236.09/x
  3. Step 3: Cross multiply
    8,079.50x = 12,119.23 × 2,236.09
  4. Step 4: Simplify right side
    8,079.50x = 27,099,689.01
  5. Step 5: Solve for x
    x = 27,099,689.01/8,079.50
  6. Step 6: Final answer
    x = 3,354.13

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Half scale
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Double scale
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Similar ratio
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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.