Home / 4,137.14-6,205.71-3,405.18

Finding the Fourth Proportional to 4,137.14, 6,205.71 and 3,405.18

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Solution

The fourth proportional to 4,137.14, 6,205.71 and 3,405.18 is: 5,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.14 : 6,205.71 = 3,405.18 : x
  2. Step 2: Convert to fraction form
    4,137.14/6,205.71 = 3,405.18/x
  3. Step 3: Cross multiply
    4,137.14x = 6,205.71 × 3,405.18
  4. Step 4: Simplify right side
    4,137.14x = 21,131,559.58
  5. Step 5: Solve for x
    x = 21,131,559.58/4,137.14
  6. Step 6: Final answer
    x = 5,107.78

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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.