Home / 8,268.20-12,404.09-2,722.10

Finding the Fourth Proportional to 8,268.20, 12,404.09 and 2,722.10

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Solution

The fourth proportional to 8,268.20, 12,404.09 and 2,722.10 is: 4,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.20 : 12,404.09 = 2,722.10 : x
  2. Step 2: Convert to fraction form
    8,268.20/12,404.09 = 2,722.10/x
  3. Step 3: Cross multiply
    8,268.20x = 12,404.09 × 2,722.10
  4. Step 4: Simplify right side
    8,268.20x = 33,765,097.76
  5. Step 5: Solve for x
    x = 33,765,097.76/8,268.20
  6. Step 6: Final answer
    x = 4,083.73

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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.