Home / 4,593.92-6,891.60-2,131.28

Finding the Fourth Proportional to 4,593.92, 6,891.60 and 2,131.28

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Solution

The fourth proportional to 4,593.92, 6,891.60 and 2,131.28 is: 3,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,593.92 : 6,891.60 = 2,131.28 : x
  2. Step 2: Convert to fraction form
    4,593.92/6,891.60 = 2,131.28/x
  3. Step 3: Cross multiply
    4,593.92x = 6,891.60 × 2,131.28
  4. Step 4: Simplify right side
    4,593.92x = 14,687,929.25
  5. Step 5: Solve for x
    x = 14,687,929.25/4,593.92
  6. Step 6: Final answer
    x = 3,197.25

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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.