Home / 5,177.44-7,766.02-1,281.88

Finding the Fourth Proportional to 5,177.44, 7,766.02 and 1,281.88

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Solution

The fourth proportional to 5,177.44, 7,766.02 and 1,281.88 is: 1,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.44 : 7,766.02 = 1,281.88 : x
  2. Step 2: Convert to fraction form
    5,177.44/7,766.02 = 1,281.88/x
  3. Step 3: Cross multiply
    5,177.44x = 7,766.02 × 1,281.88
  4. Step 4: Simplify right side
    5,177.44x = 9,955,105.72
  5. Step 5: Solve for x
    x = 9,955,105.72/5,177.44
  6. Step 6: Final answer
    x = 1,922.79

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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.