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Finding the Fourth Proportional to 5,174.51, 7,142.45 and 3,049.92

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Solution

The fourth proportional to 5,174.51, 7,142.45 and 3,049.92 is: 4,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.51 : 7,142.45 = 3,049.92 : x
  2. Step 2: Convert to fraction form
    5,174.51/7,142.45 = 3,049.92/x
  3. Step 3: Cross multiply
    5,174.51x = 7,142.45 × 3,049.92
  4. Step 4: Simplify right side
    5,174.51x = 21,783,885.85
  5. Step 5: Solve for x
    x = 21,783,885.85/5,174.51
  6. Step 6: Final answer
    x = 4,209.85

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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.