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Finding the Fourth Proportional to 7,183.14, 9,912.54 and 4,039.54

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Solution

The fourth proportional to 7,183.14, 9,912.54 and 4,039.54 is: 5,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.14 : 9,912.54 = 4,039.54 : x
  2. Step 2: Convert to fraction form
    7,183.14/9,912.54 = 4,039.54/x
  3. Step 3: Cross multiply
    7,183.14x = 9,912.54 × 4,039.54
  4. Step 4: Simplify right side
    7,183.14x = 40,042,101.83
  5. Step 5: Solve for x
    x = 40,042,101.83/7,183.14
  6. Step 6: Final answer
    x = 5,574.46

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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.