Home / 8,179.16-12,268.11-2,913.97

Finding the Fourth Proportional to 8,179.16, 12,268.11 and 2,913.97

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Solution

The fourth proportional to 8,179.16, 12,268.11 and 2,913.97 is: 4,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.16 : 12,268.11 = 2,913.97 : x
  2. Step 2: Convert to fraction form
    8,179.16/12,268.11 = 2,913.97/x
  3. Step 3: Cross multiply
    8,179.16x = 12,268.11 × 2,913.97
  4. Step 4: Simplify right side
    8,179.16x = 35,748,904.50
  5. Step 5: Solve for x
    x = 35,748,904.50/8,179.16
  6. Step 6: Final answer
    x = 4,370.73

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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.