Home / 4,258.38-6,391.44-2,179.82

Finding the Fourth Proportional to 4,258.38, 6,391.44 and 2,179.82

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Solution

The fourth proportional to 4,258.38, 6,391.44 and 2,179.82 is: 3,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.38 : 6,391.44 = 2,179.82 : x
  2. Step 2: Convert to fraction form
    4,258.38/6,391.44 = 2,179.82/x
  3. Step 3: Cross multiply
    4,258.38x = 6,391.44 × 2,179.82
  4. Step 4: Simplify right side
    4,258.38x = 13,932,188.74
  5. Step 5: Solve for x
    x = 13,932,188.74/4,258.38
  6. Step 6: Final answer
    x = 3,271.71

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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.