Home / 8,080.24-12,120.63-2,236.36

Finding the Fourth Proportional to 8,080.24, 12,120.63 and 2,236.36

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Solution

The fourth proportional to 8,080.24, 12,120.63 and 2,236.36 is: 3,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.24 : 12,120.63 = 2,236.36 : x
  2. Step 2: Convert to fraction form
    8,080.24/12,120.63 = 2,236.36/x
  3. Step 3: Cross multiply
    8,080.24x = 12,120.63 × 2,236.36
  4. Step 4: Simplify right side
    8,080.24x = 27,106,092.11
  5. Step 5: Solve for x
    x = 27,106,092.11/8,080.24
  6. Step 6: Final answer
    x = 3,354.61

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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.