Home / 4,078.82-6,119.01-1,305.27

Finding the Fourth Proportional to 4,078.82, 6,119.01 and 1,305.27

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Solution

The fourth proportional to 4,078.82, 6,119.01 and 1,305.27 is: 1,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.82 : 6,119.01 = 1,305.27 : x
  2. Step 2: Convert to fraction form
    4,078.82/6,119.01 = 1,305.27/x
  3. Step 3: Cross multiply
    4,078.82x = 6,119.01 × 1,305.27
  4. Step 4: Simplify right side
    4,078.82x = 7,986,960.18
  5. Step 5: Solve for x
    x = 7,986,960.18/4,078.82
  6. Step 6: Final answer
    x = 1,958.16

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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.