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Finding the Fourth Proportional to 4,866.92, 7,293.49 and 3,766.13

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Solution

The fourth proportional to 4,866.92, 7,293.49 and 3,766.13 is: 5,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.92 : 7,293.49 = 3,766.13 : x
  2. Step 2: Convert to fraction form
    4,866.92/7,293.49 = 3,766.13/x
  3. Step 3: Cross multiply
    4,866.92x = 7,293.49 × 3,766.13
  4. Step 4: Simplify right side
    4,866.92x = 27,468,231.49
  5. Step 5: Solve for x
    x = 27,468,231.49/4,866.92
  6. Step 6: Final answer
    x = 5,643.86

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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.