Home / 5,982.08-8,974.72-2,086.80

Finding the Fourth Proportional to 5,982.08, 8,974.72 and 2,086.80

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Solution

The fourth proportional to 5,982.08, 8,974.72 and 2,086.80 is: 3,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.08 : 8,974.72 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    5,982.08/8,974.72 = 2,086.80/x
  3. Step 3: Cross multiply
    5,982.08x = 8,974.72 × 2,086.80
  4. Step 4: Simplify right side
    5,982.08x = 18,728,445.70
  5. Step 5: Solve for x
    x = 18,728,445.70/5,982.08
  6. Step 6: Final answer
    x = 3,130.76

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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.