Home / 5,255.38-7,883.11-1,359.55

Finding the Fourth Proportional to 5,255.38, 7,883.11 and 1,359.55

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Solution

The fourth proportional to 5,255.38, 7,883.11 and 1,359.55 is: 2,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.38 : 7,883.11 = 1,359.55 : x
  2. Step 2: Convert to fraction form
    5,255.38/7,883.11 = 1,359.55/x
  3. Step 3: Cross multiply
    5,255.38x = 7,883.11 × 1,359.55
  4. Step 4: Simplify right side
    5,255.38x = 10,717,442.78
  5. Step 5: Solve for x
    x = 10,717,442.78/5,255.38
  6. Step 6: Final answer
    x = 2,039.33

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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.