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Finding the Fourth Proportional to 5,743.62, 8,614.81 and 2,813.04

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Solution

The fourth proportional to 5,743.62, 8,614.81 and 2,813.04 is: 4,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.62 : 8,614.81 = 2,813.04 : x
  2. Step 2: Convert to fraction form
    5,743.62/8,614.81 = 2,813.04/x
  3. Step 3: Cross multiply
    5,743.62x = 8,614.81 × 2,813.04
  4. Step 4: Simplify right side
    5,743.62x = 24,233,805.12
  5. Step 5: Solve for x
    x = 24,233,805.12/5,743.62
  6. Step 6: Final answer
    x = 4,219.26

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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.