Home / 5,177.73-7,766.52-1,282.14

Finding the Fourth Proportional to 5,177.73, 7,766.52 and 1,282.14

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Solution

The fourth proportional to 5,177.73, 7,766.52 and 1,282.14 is: 1,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.73 : 7,766.52 = 1,282.14 : x
  2. Step 2: Convert to fraction form
    5,177.73/7,766.52 = 1,282.14/x
  3. Step 3: Cross multiply
    5,177.73x = 7,766.52 × 1,282.14
  4. Step 4: Simplify right side
    5,177.73x = 9,957,765.95
  5. Step 5: Solve for x
    x = 9,957,765.95/5,177.73
  6. Step 6: Final answer
    x = 1,923.19

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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.