Home / 5,865.12-8,789.38-2,163.62

Finding the Fourth Proportional to 5,865.12, 8,789.38 and 2,163.62

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Solution

The fourth proportional to 5,865.12, 8,789.38 and 2,163.62 is: 3,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.12 : 8,789.38 = 2,163.62 : x
  2. Step 2: Convert to fraction form
    5,865.12/8,789.38 = 2,163.62/x
  3. Step 3: Cross multiply
    5,865.12x = 8,789.38 × 2,163.62
  4. Step 4: Simplify right side
    5,865.12x = 19,016,894.92
  5. Step 5: Solve for x
    x = 19,016,894.92/5,865.12
  6. Step 6: Final answer
    x = 3,242.37

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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.