Home / 5,177.94-7,766.78-1,282.38

Finding the Fourth Proportional to 5,177.94, 7,766.78 and 1,282.38

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Solution

The fourth proportional to 5,177.94, 7,766.78 and 1,282.38 is: 1,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.94 : 7,766.78 = 1,282.38 : x
  2. Step 2: Convert to fraction form
    5,177.94/7,766.78 = 1,282.38/x
  3. Step 3: Cross multiply
    5,177.94x = 7,766.78 × 1,282.38
  4. Step 4: Simplify right side
    5,177.94x = 9,959,956.92
  5. Step 5: Solve for x
    x = 9,959,956.92/5,177.94
  6. Step 6: Final answer
    x = 1,923.54

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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.