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Finding the Fourth Proportional to 5,369.78, 8,054.87 and 1,474.49

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Solution

The fourth proportional to 5,369.78, 8,054.87 and 1,474.49 is: 2,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.78 : 8,054.87 = 1,474.49 : x
  2. Step 2: Convert to fraction form
    5,369.78/8,054.87 = 1,474.49/x
  3. Step 3: Cross multiply
    5,369.78x = 8,054.87 × 1,474.49
  4. Step 4: Simplify right side
    5,369.78x = 11,876,777.62
  5. Step 5: Solve for x
    x = 11,876,777.62/5,369.78
  6. Step 6: Final answer
    x = 2,211.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.