Home / 7,982.13-11,022.31-5,003.09

Finding the Fourth Proportional to 7,982.13, 11,022.31 and 5,003.09

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Solution

The fourth proportional to 7,982.13, 11,022.31 and 5,003.09 is: 6,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.13 : 11,022.31 = 5,003.09 : x
  2. Step 2: Convert to fraction form
    7,982.13/11,022.31 = 5,003.09/x
  3. Step 3: Cross multiply
    7,982.13x = 11,022.31 × 5,003.09
  4. Step 4: Simplify right side
    7,982.13x = 55,145,608.94
  5. Step 5: Solve for x
    x = 55,145,608.94/7,982.13
  6. Step 6: Final answer
    x = 6,908.63

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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.