Home / 5,255.48-7,883.32-1,359.88

Finding the Fourth Proportional to 5,255.48, 7,883.32 and 1,359.88

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Solution

The fourth proportional to 5,255.48, 7,883.32 and 1,359.88 is: 2,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.48 : 7,883.32 = 1,359.88 : x
  2. Step 2: Convert to fraction form
    5,255.48/7,883.32 = 1,359.88/x
  3. Step 3: Cross multiply
    5,255.48x = 7,883.32 × 1,359.88
  4. Step 4: Simplify right side
    5,255.48x = 10,720,369.20
  5. Step 5: Solve for x
    x = 10,720,369.20/5,255.48
  6. Step 6: Final answer
    x = 2,039.85

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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.