Home / 4,258.26-6,388.74-1,336.86

Finding the Fourth Proportional to 4,258.26, 6,388.74 and 1,336.86

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Solution

The fourth proportional to 4,258.26, 6,388.74 and 1,336.86 is: 2,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.26 : 6,388.74 = 1,336.86 : x
  2. Step 2: Convert to fraction form
    4,258.26/6,388.74 = 1,336.86/x
  3. Step 3: Cross multiply
    4,258.26x = 6,388.74 × 1,336.86
  4. Step 4: Simplify right side
    4,258.26x = 8,540,850.96
  5. Step 5: Solve for x
    x = 8,540,850.96/4,258.26
  6. Step 6: Final answer
    x = 2,005.71

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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.