Home / 5,982.30-8,989.92-3,211.02

Finding the Fourth Proportional to 5,982.30, 8,989.92 and 3,211.02

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Solution

The fourth proportional to 5,982.30, 8,989.92 and 3,211.02 is: 4,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.30 : 8,989.92 = 3,211.02 : x
  2. Step 2: Convert to fraction form
    5,982.30/8,989.92 = 3,211.02/x
  3. Step 3: Cross multiply
    5,982.30x = 8,989.92 × 3,211.02
  4. Step 4: Simplify right side
    5,982.30x = 28,866,812.92
  5. Step 5: Solve for x
    x = 28,866,812.92/5,982.30
  6. Step 6: Final answer
    x = 4,825.37

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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.