Home / 4,258.42-6,391.48-2,179.86

Finding the Fourth Proportional to 4,258.42, 6,391.48 and 2,179.86

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Solution

The fourth proportional to 4,258.42, 6,391.48 and 2,179.86 is: 3,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.42 : 6,391.48 = 2,179.86 : x
  2. Step 2: Convert to fraction form
    4,258.42/6,391.48 = 2,179.86/x
  3. Step 3: Cross multiply
    4,258.42x = 6,391.48 × 2,179.86
  4. Step 4: Simplify right side
    4,258.42x = 13,932,531.59
  5. Step 5: Solve for x
    x = 13,932,531.59/4,258.42
  6. Step 6: Final answer
    x = 3,271.76

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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.