Home / 8,079.41-12,119.81-2,236.01

Finding the Fourth Proportional to 8,079.41, 12,119.81 and 2,236.01

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Solution

The fourth proportional to 8,079.41, 12,119.81 and 2,236.01 is: 3,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.41 : 12,119.81 = 2,236.01 : x
  2. Step 2: Convert to fraction form
    8,079.41/12,119.81 = 2,236.01/x
  3. Step 3: Cross multiply
    8,079.41x = 12,119.81 × 2,236.01
  4. Step 4: Simplify right side
    8,079.41x = 27,099,944.58
  5. Step 5: Solve for x
    x = 27,099,944.58/8,079.41
  6. Step 6: Final answer
    x = 3,354.20

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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.