Home / 8,338.46-12,507.34-2,791.37

Finding the Fourth Proportional to 8,338.46, 12,507.34 and 2,791.37

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Solution

The fourth proportional to 8,338.46, 12,507.34 and 2,791.37 is: 4,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.46 : 12,507.34 = 2,791.37 : x
  2. Step 2: Convert to fraction form
    8,338.46/12,507.34 = 2,791.37/x
  3. Step 3: Cross multiply
    8,338.46x = 12,507.34 × 2,791.37
  4. Step 4: Simplify right side
    8,338.46x = 34,912,613.66
  5. Step 5: Solve for x
    x = 34,912,613.66/8,338.46
  6. Step 6: Final answer
    x = 4,186.94

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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.