Home / 4,231.88-6,336.78-3,405.64

Finding the Fourth Proportional to 4,231.88, 6,336.78 and 3,405.64

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Solution

The fourth proportional to 4,231.88, 6,336.78 and 3,405.64 is: 5,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.88 : 6,336.78 = 3,405.64 : x
  2. Step 2: Convert to fraction form
    4,231.88/6,336.78 = 3,405.64/x
  3. Step 3: Cross multiply
    4,231.88x = 6,336.78 × 3,405.64
  4. Step 4: Simplify right side
    4,231.88x = 21,580,791.44
  5. Step 5: Solve for x
    x = 21,580,791.44/4,231.88
  6. Step 6: Final answer
    x = 5,099.58

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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.