Home / 5,177.94-7,766.82-1,282.34

Finding the Fourth Proportional to 5,177.94, 7,766.82 and 1,282.34

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Solution

The fourth proportional to 5,177.94, 7,766.82 and 1,282.34 is: 1,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.94 : 7,766.82 = 1,282.34 : x
  2. Step 2: Convert to fraction form
    5,177.94/7,766.82 = 1,282.34/x
  3. Step 3: Cross multiply
    5,177.94x = 7,766.82 × 1,282.34
  4. Step 4: Simplify right side
    5,177.94x = 9,959,665.12
  5. Step 5: Solve for x
    x = 9,959,665.12/5,177.94
  6. Step 6: Final answer
    x = 1,923.48

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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.