Home / 4,255.86-6,383.79-1,334.40

Finding the Fourth Proportional to 4,255.86, 6,383.79 and 1,334.40

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Solution

The fourth proportional to 4,255.86, 6,383.79 and 1,334.40 is: 2,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.86 : 6,383.79 = 1,334.40 : x
  2. Step 2: Convert to fraction form
    4,255.86/6,383.79 = 1,334.40/x
  3. Step 3: Cross multiply
    4,255.86x = 6,383.79 × 1,334.40
  4. Step 4: Simplify right side
    4,255.86x = 8,518,529.38
  5. Step 5: Solve for x
    x = 8,518,529.38/4,255.86
  6. Step 6: Final answer
    x = 2,001.60

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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.