Home / 8,080.37-12,120.82-2,236.49

Finding the Fourth Proportional to 8,080.37, 12,120.82 and 2,236.49

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Solution

The fourth proportional to 8,080.37, 12,120.82 and 2,236.49 is: 3,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.37 : 12,120.82 = 2,236.49 : x
  2. Step 2: Convert to fraction form
    8,080.37/12,120.82 = 2,236.49/x
  3. Step 3: Cross multiply
    8,080.37x = 12,120.82 × 2,236.49
  4. Step 4: Simplify right side
    8,080.37x = 27,108,020.94
  5. Step 5: Solve for x
    x = 27,108,020.94/8,080.37
  6. Step 6: Final answer
    x = 3,354.80

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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.