Home / 8,460.20-12,682.62-3,269.96

Finding the Fourth Proportional to 8,460.20, 12,682.62 and 3,269.96

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Solution

The fourth proportional to 8,460.20, 12,682.62 and 3,269.96 is: 4,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.20 : 12,682.62 = 3,269.96 : x
  2. Step 2: Convert to fraction form
    8,460.20/12,682.62 = 3,269.96/x
  3. Step 3: Cross multiply
    8,460.20x = 12,682.62 × 3,269.96
  4. Step 4: Simplify right side
    8,460.20x = 41,471,660.10
  5. Step 5: Solve for x
    x = 41,471,660.10/8,460.20
  6. Step 6: Final answer
    x = 4,901.97

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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.