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Finding the Fourth Proportional to 6,171.12, 8,516.97 and 3,518.73

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Solution

The fourth proportional to 6,171.12, 8,516.97 and 3,518.73 is: 4,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.12 : 8,516.97 = 3,518.73 : x
  2. Step 2: Convert to fraction form
    6,171.12/8,516.97 = 3,518.73/x
  3. Step 3: Cross multiply
    6,171.12x = 8,516.97 × 3,518.73
  4. Step 4: Simplify right side
    6,171.12x = 29,968,917.85
  5. Step 5: Solve for x
    x = 29,968,917.85/6,171.12
  6. Step 6: Final answer
    x = 4,856.32

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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.