Home / 8,080.97-12,121.47-2,533.83

Finding the Fourth Proportional to 8,080.97, 12,121.47 and 2,533.83

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Solution

The fourth proportional to 8,080.97, 12,121.47 and 2,533.83 is: 3,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.97 : 12,121.47 = 2,533.83 : x
  2. Step 2: Convert to fraction form
    8,080.97/12,121.47 = 2,533.83/x
  3. Step 3: Cross multiply
    8,080.97x = 12,121.47 × 2,533.83
  4. Step 4: Simplify right side
    8,080.97x = 30,713,744.33
  5. Step 5: Solve for x
    x = 30,713,744.33/8,080.97
  6. Step 6: Final answer
    x = 3,800.75

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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.