Home / 4,255.91-6,383.85-1,334.21

Finding the Fourth Proportional to 4,255.91, 6,383.85 and 1,334.21

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Solution

The fourth proportional to 4,255.91, 6,383.85 and 1,334.21 is: 2,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.91 : 6,383.85 = 1,334.21 : x
  2. Step 2: Convert to fraction form
    4,255.91/6,383.85 = 1,334.21/x
  3. Step 3: Cross multiply
    4,255.91x = 6,383.85 × 1,334.21
  4. Step 4: Simplify right side
    4,255.91x = 8,517,364.59
  5. Step 5: Solve for x
    x = 8,517,364.59/4,255.91
  6. Step 6: Final answer
    x = 2,001.31

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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.