Home / 8,178.14-12,269.18-2,632

Finding the Fourth Proportional to 8,178.14, 12,269.18 and 2,632

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Solution

The fourth proportional to 8,178.14, 12,269.18 and 2,632 is: 3,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.14 : 12,269.18 = 2,632 : x
  2. Step 2: Convert to fraction form
    8,178.14/12,269.18 = 2,632/x
  3. Step 3: Cross multiply
    8,178.14x = 12,269.18 × 2,632
  4. Step 4: Simplify right side
    8,178.14x = 32,292,481.76
  5. Step 5: Solve for x
    x = 32,292,481.76/8,178.14
  6. Step 6: Final answer
    x = 3,948.63

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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.