Home / 4,405.88-6,608.81-1,327.88

Finding the Fourth Proportional to 4,405.88, 6,608.81 and 1,327.88

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Solution

The fourth proportional to 4,405.88, 6,608.81 and 1,327.88 is: 1,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.88 : 6,608.81 = 1,327.88 : x
  2. Step 2: Convert to fraction form
    4,405.88/6,608.81 = 1,327.88/x
  3. Step 3: Cross multiply
    4,405.88x = 6,608.81 × 1,327.88
  4. Step 4: Simplify right side
    4,405.88x = 8,775,676.90
  5. Step 5: Solve for x
    x = 8,775,676.90/4,405.88
  6. Step 6: Final answer
    x = 1,991.81

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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.