Home / 6,791.45-10,189.39-3,281.86

Finding the Fourth Proportional to 6,791.45, 10,189.39 and 3,281.86

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Solution

The fourth proportional to 6,791.45, 10,189.39 and 3,281.86 is: 4,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.45 : 10,189.39 = 3,281.86 : x
  2. Step 2: Convert to fraction form
    6,791.45/10,189.39 = 3,281.86/x
  3. Step 3: Cross multiply
    6,791.45x = 10,189.39 × 3,281.86
  4. Step 4: Simplify right side
    6,791.45x = 33,440,123.94
  5. Step 5: Solve for x
    x = 33,440,123.94/6,791.45
  6. Step 6: Final answer
    x = 4,923.86

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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.