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Finding the Fourth Proportional to 5,154.34, 7,112.97 and 2,796.34

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Solution

The fourth proportional to 5,154.34, 7,112.97 and 2,796.34 is: 3,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.34 : 7,112.97 = 2,796.34 : x
  2. Step 2: Convert to fraction form
    5,154.34/7,112.97 = 2,796.34/x
  3. Step 3: Cross multiply
    5,154.34x = 7,112.97 × 2,796.34
  4. Step 4: Simplify right side
    5,154.34x = 19,890,282.53
  5. Step 5: Solve for x
    x = 19,890,282.53/5,154.34
  6. Step 6: Final answer
    x = 3,858.94

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