Home / 5,227.72-7,214.37-2,869.87

Finding the Fourth Proportional to 5,227.72, 7,214.37 and 2,869.87

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Solution

The fourth proportional to 5,227.72, 7,214.37 and 2,869.87 is: 3,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.72 : 7,214.37 = 2,869.87 : x
  2. Step 2: Convert to fraction form
    5,227.72/7,214.37 = 2,869.87/x
  3. Step 3: Cross multiply
    5,227.72x = 7,214.37 × 2,869.87
  4. Step 4: Simplify right side
    5,227.72x = 20,704,304.03
  5. Step 5: Solve for x
    x = 20,704,304.03/5,227.72
  6. Step 6: Final answer
    x = 3,960.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.