Home / 4,258.11-6,380.66-1,791.58

Finding the Fourth Proportional to 4,258.11, 6,380.66 and 1,791.58

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Solution

The fourth proportional to 4,258.11, 6,380.66 and 1,791.58 is: 2,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.11 : 6,380.66 = 1,791.58 : x
  2. Step 2: Convert to fraction form
    4,258.11/6,380.66 = 1,791.58/x
  3. Step 3: Cross multiply
    4,258.11x = 6,380.66 × 1,791.58
  4. Step 4: Simplify right side
    4,258.11x = 11,431,467.32
  5. Step 5: Solve for x
    x = 11,431,467.32/4,258.11
  6. Step 6: Final answer
    x = 2,684.63

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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.