Home / 7,169.31-9,893.32-3,982.83

Finding the Fourth Proportional to 7,169.31, 9,893.32 and 3,982.83

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Solution

The fourth proportional to 7,169.31, 9,893.32 and 3,982.83 is: 5,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.31 : 9,893.32 = 3,982.83 : x
  2. Step 2: Convert to fraction form
    7,169.31/9,893.32 = 3,982.83/x
  3. Step 3: Cross multiply
    7,169.31x = 9,893.32 × 3,982.83
  4. Step 4: Simplify right side
    7,169.31x = 39,403,372.19
  5. Step 5: Solve for x
    x = 39,403,372.19/7,169.31
  6. Step 6: Final answer
    x = 5,496.12

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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.