Home / 8,414.96-12,619.56-3,222.32

Finding the Fourth Proportional to 8,414.96, 12,619.56 and 3,222.32

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Solution

The fourth proportional to 8,414.96, 12,619.56 and 3,222.32 is: 4,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.96 : 12,619.56 = 3,222.32 : x
  2. Step 2: Convert to fraction form
    8,414.96/12,619.56 = 3,222.32/x
  3. Step 3: Cross multiply
    8,414.96x = 12,619.56 × 3,222.32
  4. Step 4: Simplify right side
    8,414.96x = 40,664,260.58
  5. Step 5: Solve for x
    x = 40,664,260.58/8,414.96
  6. Step 6: Final answer
    x = 4,832.38

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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.