Home / 6,949-10,426.39-2,791.96

Finding the Fourth Proportional to 6,949, 10,426.39 and 2,791.96

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Solution

The fourth proportional to 6,949, 10,426.39 and 2,791.96 is: 4,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949 : 10,426.39 = 2,791.96 : x
  2. Step 2: Convert to fraction form
    6,949/10,426.39 = 2,791.96/x
  3. Step 3: Cross multiply
    6,949x = 10,426.39 × 2,791.96
  4. Step 4: Simplify right side
    6,949x = 29,110,063.82
  5. Step 5: Solve for x
    x = 29,110,063.82/6,949
  6. Step 6: Final answer
    x = 4,189.10

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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.