Home / 5,982.72-8,974.04-2,086.16

Finding the Fourth Proportional to 5,982.72, 8,974.04 and 2,086.16

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Solution

The fourth proportional to 5,982.72, 8,974.04 and 2,086.16 is: 3,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.72 : 8,974.04 = 2,086.16 : x
  2. Step 2: Convert to fraction form
    5,982.72/8,974.04 = 2,086.16/x
  3. Step 3: Cross multiply
    5,982.72x = 8,974.04 × 2,086.16
  4. Step 4: Simplify right side
    5,982.72x = 18,721,283.29
  5. Step 5: Solve for x
    x = 18,721,283.29/5,982.72
  6. Step 6: Final answer
    x = 3,129.23

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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.