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Finding the Fourth Proportional to 5,361.62, 7,398.37 and 3,003.38

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Solution

The fourth proportional to 5,361.62, 7,398.37 and 3,003.38 is: 4,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.62 : 7,398.37 = 3,003.38 : x
  2. Step 2: Convert to fraction form
    5,361.62/7,398.37 = 3,003.38/x
  3. Step 3: Cross multiply
    5,361.62x = 7,398.37 × 3,003.38
  4. Step 4: Simplify right side
    5,361.62x = 22,220,116.49
  5. Step 5: Solve for x
    x = 22,220,116.49/5,361.62
  6. Step 6: Final answer
    x = 4,144.29

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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.