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Finding the Fourth Proportional to 5,865.28, 8,791.52 and 2,164.39

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Solution

The fourth proportional to 5,865.28, 8,791.52 and 2,164.39 is: 3,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.28 : 8,791.52 = 2,164.39 : x
  2. Step 2: Convert to fraction form
    5,865.28/8,791.52 = 2,164.39/x
  3. Step 3: Cross multiply
    5,865.28x = 8,791.52 × 2,164.39
  4. Step 4: Simplify right side
    5,865.28x = 19,028,283.38
  5. Step 5: Solve for x
    x = 19,028,283.38/5,865.28
  6. Step 6: Final answer
    x = 3,244.22

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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.