Home / 8,268.68-12,403.80-2,722.08

Finding the Fourth Proportional to 8,268.68, 12,403.80 and 2,722.08

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Solution

The fourth proportional to 8,268.68, 12,403.80 and 2,722.08 is: 4,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.68 : 12,403.80 = 2,722.08 : x
  2. Step 2: Convert to fraction form
    8,268.68/12,403.80 = 2,722.08/x
  3. Step 3: Cross multiply
    8,268.68x = 12,403.80 × 2,722.08
  4. Step 4: Simplify right side
    8,268.68x = 33,764,135.90
  5. Step 5: Solve for x
    x = 33,764,135.90/8,268.68
  6. Step 6: Final answer
    x = 4,083.38

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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.