Home / 4,261.27-6,391.94-1,628.06

Finding the Fourth Proportional to 4,261.27, 6,391.94 and 1,628.06

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Solution

The fourth proportional to 4,261.27, 6,391.94 and 1,628.06 is: 2,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.27 : 6,391.94 = 1,628.06 : x
  2. Step 2: Convert to fraction form
    4,261.27/6,391.94 = 1,628.06/x
  3. Step 3: Cross multiply
    4,261.27x = 6,391.94 × 1,628.06
  4. Step 4: Simplify right side
    4,261.27x = 10,406,469.68
  5. Step 5: Solve for x
    x = 10,406,469.68/4,261.27
  6. Step 6: Final answer
    x = 2,442.11

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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.