Home / 8,414.34-12,619.76-2,867.64

Finding the Fourth Proportional to 8,414.34, 12,619.76 and 2,867.64

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Solution

The fourth proportional to 8,414.34, 12,619.76 and 2,867.64 is: 4,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.34 : 12,619.76 = 2,867.64 : x
  2. Step 2: Convert to fraction form
    8,414.34/12,619.76 = 2,867.64/x
  3. Step 3: Cross multiply
    8,414.34x = 12,619.76 × 2,867.64
  4. Step 4: Simplify right side
    8,414.34x = 36,188,914.23
  5. Step 5: Solve for x
    x = 36,188,914.23/8,414.34
  6. Step 6: Final answer
    x = 4,300.86

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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.