Home / 5,784.11-7,982.10-3,131.54

Finding the Fourth Proportional to 5,784.11, 7,982.10 and 3,131.54

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Solution

The fourth proportional to 5,784.11, 7,982.10 and 3,131.54 is: 4,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.11 : 7,982.10 = 3,131.54 : x
  2. Step 2: Convert to fraction form
    5,784.11/7,982.10 = 3,131.54/x
  3. Step 3: Cross multiply
    5,784.11x = 7,982.10 × 3,131.54
  4. Step 4: Simplify right side
    5,784.11x = 24,996,265.43
  5. Step 5: Solve for x
    x = 24,996,265.43/5,784.11
  6. Step 6: Final answer
    x = 4,321.54

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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.