Home / 4,414.20-6,619.86-1,335.48

Finding the Fourth Proportional to 4,414.20, 6,619.86 and 1,335.48

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Solution

The fourth proportional to 4,414.20, 6,619.86 and 1,335.48 is: 2,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,414.20 : 6,619.86 = 1,335.48 : x
  2. Step 2: Convert to fraction form
    4,414.20/6,619.86 = 1,335.48/x
  3. Step 3: Cross multiply
    4,414.20x = 6,619.86 × 1,335.48
  4. Step 4: Simplify right side
    4,414.20x = 8,840,690.63
  5. Step 5: Solve for x
    x = 8,840,690.63/4,414.20
  6. Step 6: Final answer
    x = 2,002.78

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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.