Home / 8,161.28-12,234.56-2,963.50

Finding the Fourth Proportional to 8,161.28, 12,234.56 and 2,963.50

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Solution

The fourth proportional to 8,161.28, 12,234.56 and 2,963.50 is: 4,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.28 : 12,234.56 = 2,963.50 : x
  2. Step 2: Convert to fraction form
    8,161.28/12,234.56 = 2,963.50/x
  3. Step 3: Cross multiply
    8,161.28x = 12,234.56 × 2,963.50
  4. Step 4: Simplify right side
    8,161.28x = 36,257,118.56
  5. Step 5: Solve for x
    x = 36,257,118.56/8,161.28
  6. Step 6: Final answer
    x = 4,442.58

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1.5x scale

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.