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Finding the Fourth Proportional to 5,812.97, 8,021.98 and 3,160.38

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Solution

The fourth proportional to 5,812.97, 8,021.98 and 3,160.38 is: 4,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.97 : 8,021.98 = 3,160.38 : x
  2. Step 2: Convert to fraction form
    5,812.97/8,021.98 = 3,160.38/x
  3. Step 3: Cross multiply
    5,812.97x = 8,021.98 × 3,160.38
  4. Step 4: Simplify right side
    5,812.97x = 25,352,505.15
  5. Step 5: Solve for x
    x = 25,352,505.15/5,812.97
  6. Step 6: Final answer
    x = 4,361.37

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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.