Home / 8,268.88-12,400.08-3,073.12

Finding the Fourth Proportional to 8,268.88, 12,400.08 and 3,073.12

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Solution

The fourth proportional to 8,268.88, 12,400.08 and 3,073.12 is: 4,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.88 : 12,400.08 = 3,073.12 : x
  2. Step 2: Convert to fraction form
    8,268.88/12,400.08 = 3,073.12/x
  3. Step 3: Cross multiply
    8,268.88x = 12,400.08 × 3,073.12
  4. Step 4: Simplify right side
    8,268.88x = 38,106,933.85
  5. Step 5: Solve for x
    x = 38,106,933.85/8,268.88
  6. Step 6: Final answer
    x = 4,608.48

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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.