Home / 7,169.21-9,892.50-3,982.27

Finding the Fourth Proportional to 7,169.21, 9,892.50 and 3,982.27

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Solution

The fourth proportional to 7,169.21, 9,892.50 and 3,982.27 is: 5,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.21 : 9,892.50 = 3,982.27 : x
  2. Step 2: Convert to fraction form
    7,169.21/9,892.50 = 3,982.27/x
  3. Step 3: Cross multiply
    7,169.21x = 9,892.50 × 3,982.27
  4. Step 4: Simplify right side
    7,169.21x = 39,394,556.51
  5. Step 5: Solve for x
    x = 39,394,556.51/7,169.21
  6. Step 6: Final answer
    x = 5,494.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.