Home / 8,942.96-13,414.89-3,394.36

Finding the Fourth Proportional to 8,942.96, 13,414.89 and 3,394.36

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Solution

The fourth proportional to 8,942.96, 13,414.89 and 3,394.36 is: 5,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.96 : 13,414.89 = 3,394.36 : x
  2. Step 2: Convert to fraction form
    8,942.96/13,414.89 = 3,394.36/x
  3. Step 3: Cross multiply
    8,942.96x = 13,414.89 × 3,394.36
  4. Step 4: Simplify right side
    8,942.96x = 45,534,910.51
  5. Step 5: Solve for x
    x = 45,534,910.51/8,942.96
  6. Step 6: Final answer
    x = 5,091.71

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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.