Home / 8,080.26-12,121.83-2,884.92

Finding the Fourth Proportional to 8,080.26, 12,121.83 and 2,884.92

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Solution

The fourth proportional to 8,080.26, 12,121.83 and 2,884.92 is: 4,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.26 : 12,121.83 = 2,884.92 : x
  2. Step 2: Convert to fraction form
    8,080.26/12,121.83 = 2,884.92/x
  3. Step 3: Cross multiply
    8,080.26x = 12,121.83 × 2,884.92
  4. Step 4: Simplify right side
    8,080.26x = 34,970,509.80
  5. Step 5: Solve for x
    x = 34,970,509.80/8,080.26
  6. Step 6: Final answer
    x = 4,327.89

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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.