Home / 8,177.90-12,267.65-2,982.56

Finding the Fourth Proportional to 8,177.90, 12,267.65 and 2,982.56

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Solution

The fourth proportional to 8,177.90, 12,267.65 and 2,982.56 is: 4,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.90 : 12,267.65 = 2,982.56 : x
  2. Step 2: Convert to fraction form
    8,177.90/12,267.65 = 2,982.56/x
  3. Step 3: Cross multiply
    8,177.90x = 12,267.65 × 2,982.56
  4. Step 4: Simplify right side
    8,177.90x = 36,588,948.30
  5. Step 5: Solve for x
    x = 36,588,948.30/8,177.90
  6. Step 6: Final answer
    x = 4,474.13

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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.