Home / 8,268.45-12,402.15-3,003.65

Finding the Fourth Proportional to 8,268.45, 12,402.15 and 3,003.65

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Solution

The fourth proportional to 8,268.45, 12,402.15 and 3,003.65 is: 4,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.45 : 12,402.15 = 3,003.65 : x
  2. Step 2: Convert to fraction form
    8,268.45/12,402.15 = 3,003.65/x
  3. Step 3: Cross multiply
    8,268.45x = 12,402.15 × 3,003.65
  4. Step 4: Simplify right side
    8,268.45x = 37,251,655.84
  5. Step 5: Solve for x
    x = 37,251,655.84/8,268.45
  6. Step 6: Final answer
    x = 4,505.28

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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.