Home / 8,079.49-12,119.50-2,235.61

Finding the Fourth Proportional to 8,079.49, 12,119.50 and 2,235.61

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Solution

The fourth proportional to 8,079.49, 12,119.50 and 2,235.61 is: 3,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.49 : 12,119.50 = 2,235.61 : x
  2. Step 2: Convert to fraction form
    8,079.49/12,119.50 = 2,235.61/x
  3. Step 3: Cross multiply
    8,079.49x = 12,119.50 × 2,235.61
  4. Step 4: Simplify right side
    8,079.49x = 27,094,450.69
  5. Step 5: Solve for x
    x = 27,094,450.69/8,079.49
  6. Step 6: Final answer
    x = 3,353.49

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Double scale
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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.