Home / 4,255.86-6,383.78-1,334.39

Finding the Fourth Proportional to 4,255.86, 6,383.78 and 1,334.39

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Solution

The fourth proportional to 4,255.86, 6,383.78 and 1,334.39 is: 2,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.86 : 6,383.78 = 1,334.39 : x
  2. Step 2: Convert to fraction form
    4,255.86/6,383.78 = 1,334.39/x
  3. Step 3: Cross multiply
    4,255.86x = 6,383.78 × 1,334.39
  4. Step 4: Simplify right side
    4,255.86x = 8,518,471.49
  5. Step 5: Solve for x
    x = 8,518,471.49/4,255.86
  6. Step 6: Final answer
    x = 2,001.59

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1.5x scale

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.