Home / 5,177.69-7,766.45-1,282.09

Finding the Fourth Proportional to 5,177.69, 7,766.45 and 1,282.09

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Solution

The fourth proportional to 5,177.69, 7,766.45 and 1,282.09 is: 1,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.69 : 7,766.45 = 1,282.09 : x
  2. Step 2: Convert to fraction form
    5,177.69/7,766.45 = 1,282.09/x
  3. Step 3: Cross multiply
    5,177.69x = 7,766.45 × 1,282.09
  4. Step 4: Simplify right side
    5,177.69x = 9,957,242.64
  5. Step 5: Solve for x
    x = 9,957,242.64/5,177.69
  6. Step 6: Final answer
    x = 1,923.11

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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.