Home / 8,080.63-12,129.11-5,743.27

Finding the Fourth Proportional to 8,080.63, 12,129.11 and 5,743.27

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Solution

The fourth proportional to 8,080.63, 12,129.11 and 5,743.27 is: 8,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.63 : 12,129.11 = 5,743.27 : x
  2. Step 2: Convert to fraction form
    8,080.63/12,129.11 = 5,743.27/x
  3. Step 3: Cross multiply
    8,080.63x = 12,129.11 × 5,743.27
  4. Step 4: Simplify right side
    8,080.63x = 69,660,761.57
  5. Step 5: Solve for x
    x = 69,660,761.57/8,080.63
  6. Step 6: Final answer
    x = 8,620.71

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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.