Home / 5,517.97-8,278.33-1,622.38

Finding the Fourth Proportional to 5,517.97, 8,278.33 and 1,622.38

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Solution

The fourth proportional to 5,517.97, 8,278.33 and 1,622.38 is: 2,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.97 : 8,278.33 = 1,622.38 : x
  2. Step 2: Convert to fraction form
    5,517.97/8,278.33 = 1,622.38/x
  3. Step 3: Cross multiply
    5,517.97x = 8,278.33 × 1,622.38
  4. Step 4: Simplify right side
    5,517.97x = 13,430,597.03
  5. Step 5: Solve for x
    x = 13,430,597.03/5,517.97
  6. Step 6: Final answer
    x = 2,433.97

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1.5x scale

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.