Home / 8,268.67-12,403.10-2,028.75

Finding the Fourth Proportional to 8,268.67, 12,403.10 and 2,028.75

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Solution

The fourth proportional to 8,268.67, 12,403.10 and 2,028.75 is: 3,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.67 : 12,403.10 = 2,028.75 : x
  2. Step 2: Convert to fraction form
    8,268.67/12,403.10 = 2,028.75/x
  3. Step 3: Cross multiply
    8,268.67x = 12,403.10 × 2,028.75
  4. Step 4: Simplify right side
    8,268.67x = 25,162,789.13
  5. Step 5: Solve for x
    x = 25,162,789.13/8,268.67
  6. Step 6: Final answer
    x = 3,043.15

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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.