Home / 8,578.16-12,867.08-2,734.68

Finding the Fourth Proportional to 8,578.16, 12,867.08 and 2,734.68

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Solution

The fourth proportional to 8,578.16, 12,867.08 and 2,734.68 is: 4,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.16 : 12,867.08 = 2,734.68 : x
  2. Step 2: Convert to fraction form
    8,578.16/12,867.08 = 2,734.68/x
  3. Step 3: Cross multiply
    8,578.16x = 12,867.08 × 2,734.68
  4. Step 4: Simplify right side
    8,578.16x = 35,187,346.33
  5. Step 5: Solve for x
    x = 35,187,346.33/8,578.16
  6. Step 6: Final answer
    x = 4,101.97

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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.