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Finding the Fourth Proportional to 7,228.66, 10,843.79 and 2,845.54

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Solution

The fourth proportional to 7,228.66, 10,843.79 and 2,845.54 is: 4,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.66 : 10,843.79 = 2,845.54 : x
  2. Step 2: Convert to fraction form
    7,228.66/10,843.79 = 2,845.54/x
  3. Step 3: Cross multiply
    7,228.66x = 10,843.79 × 2,845.54
  4. Step 4: Simplify right side
    7,228.66x = 30,856,438.20
  5. Step 5: Solve for x
    x = 30,856,438.20/7,228.66
  6. Step 6: Final answer
    x = 4,268.62

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Why These Related Problems?

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