Home / 8,462.36-12,694.90-2,618.96

Finding the Fourth Proportional to 8,462.36, 12,694.90 and 2,618.96

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Solution

The fourth proportional to 8,462.36, 12,694.90 and 2,618.96 is: 3,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.36 : 12,694.90 = 2,618.96 : x
  2. Step 2: Convert to fraction form
    8,462.36/12,694.90 = 2,618.96/x
  3. Step 3: Cross multiply
    8,462.36x = 12,694.90 × 2,618.96
  4. Step 4: Simplify right side
    8,462.36x = 33,247,435.30
  5. Step 5: Solve for x
    x = 33,247,435.30/8,462.36
  6. Step 6: Final answer
    x = 3,928.86

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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.