Home / 8,310.41-12,461.97-3,112.64

Finding the Fourth Proportional to 8,310.41, 12,461.97 and 3,112.64

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Solution

The fourth proportional to 8,310.41, 12,461.97 and 3,112.64 is: 4,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.41 : 12,461.97 = 3,112.64 : x
  2. Step 2: Convert to fraction form
    8,310.41/12,461.97 = 3,112.64/x
  3. Step 3: Cross multiply
    8,310.41x = 12,461.97 × 3,112.64
  4. Step 4: Simplify right side
    8,310.41x = 38,789,626.30
  5. Step 5: Solve for x
    x = 38,789,626.30/8,310.41
  6. Step 6: Final answer
    x = 4,667.59

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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.