Home / 7,986.88-11,982.76-4,094.04

Finding the Fourth Proportional to 7,986.88, 11,982.76 and 4,094.04

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Solution

The fourth proportional to 7,986.88, 11,982.76 and 4,094.04 is: 6,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.88 : 11,982.76 = 4,094.04 : x
  2. Step 2: Convert to fraction form
    7,986.88/11,982.76 = 4,094.04/x
  3. Step 3: Cross multiply
    7,986.88x = 11,982.76 × 4,094.04
  4. Step 4: Simplify right side
    7,986.88x = 49,057,898.75
  5. Step 5: Solve for x
    x = 49,057,898.75/7,986.88
  6. Step 6: Final answer
    x = 6,142.31

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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.