Home / 8,081.21-12,121.96-2,534.43

Finding the Fourth Proportional to 8,081.21, 12,121.96 and 2,534.43

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Solution

The fourth proportional to 8,081.21, 12,121.96 and 2,534.43 is: 3,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.21 : 12,121.96 = 2,534.43 : x
  2. Step 2: Convert to fraction form
    8,081.21/12,121.96 = 2,534.43/x
  3. Step 3: Cross multiply
    8,081.21x = 12,121.96 × 2,534.43
  4. Step 4: Simplify right side
    8,081.21x = 30,722,259.08
  5. Step 5: Solve for x
    x = 30,722,259.08/8,081.21
  6. Step 6: Final answer
    x = 3,801.69

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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.