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Finding the Fourth Proportional to 6,236.56, 8,612.52 and 3,879.76

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Solution

The fourth proportional to 6,236.56, 8,612.52 and 3,879.76 is: 5,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.56 : 8,612.52 = 3,879.76 : x
  2. Step 2: Convert to fraction form
    6,236.56/8,612.52 = 3,879.76/x
  3. Step 3: Cross multiply
    6,236.56x = 8,612.52 × 3,879.76
  4. Step 4: Simplify right side
    6,236.56x = 33,414,510.60
  5. Step 5: Solve for x
    x = 33,414,510.60/6,236.56
  6. Step 6: Final answer
    x = 5,357.84

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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.