Home / 8,080.87-12,121.57-2,236.99

Finding the Fourth Proportional to 8,080.87, 12,121.57 and 2,236.99

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Solution

The fourth proportional to 8,080.87, 12,121.57 and 2,236.99 is: 3,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.87 : 12,121.57 = 2,236.99 : x
  2. Step 2: Convert to fraction form
    8,080.87/12,121.57 = 2,236.99/x
  3. Step 3: Cross multiply
    8,080.87x = 12,121.57 × 2,236.99
  4. Step 4: Simplify right side
    8,080.87x = 27,115,759.08
  5. Step 5: Solve for x
    x = 27,115,759.08/8,080.87
  6. Step 6: Final answer
    x = 3,355.55

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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.