Home / 4,127.21-6,190.80-2,743.25

Finding the Fourth Proportional to 4,127.21, 6,190.80 and 2,743.25

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Solution

The fourth proportional to 4,127.21, 6,190.80 and 2,743.25 is: 4,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.21 : 6,190.80 = 2,743.25 : x
  2. Step 2: Convert to fraction form
    4,127.21/6,190.80 = 2,743.25/x
  3. Step 3: Cross multiply
    4,127.21x = 6,190.80 × 2,743.25
  4. Step 4: Simplify right side
    4,127.21x = 16,982,912.10
  5. Step 5: Solve for x
    x = 16,982,912.10/4,127.21
  6. Step 6: Final answer
    x = 4,114.87

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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.