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Finding the Fourth Proportional to 8,435.44, 12,654.41 and 3,169.67

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Solution

The fourth proportional to 8,435.44, 12,654.41 and 3,169.67 is: 4,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.44 : 12,654.41 = 3,169.67 : x
  2. Step 2: Convert to fraction form
    8,435.44/12,654.41 = 3,169.67/x
  3. Step 3: Cross multiply
    8,435.44x = 12,654.41 × 3,169.67
  4. Step 4: Simplify right side
    8,435.44x = 40,110,309.21
  5. Step 5: Solve for x
    x = 40,110,309.21/8,435.44
  6. Step 6: Final answer
    x = 4,754.97

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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.