Home / 4,253.85-6,383.79-3,154.86

Finding the Fourth Proportional to 4,253.85, 6,383.79 and 3,154.86

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Solution

The fourth proportional to 4,253.85, 6,383.79 and 3,154.86 is: 4,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.85 : 6,383.79 = 3,154.86 : x
  2. Step 2: Convert to fraction form
    4,253.85/6,383.79 = 3,154.86/x
  3. Step 3: Cross multiply
    4,253.85x = 6,383.79 × 3,154.86
  4. Step 4: Simplify right side
    4,253.85x = 20,139,963.72
  5. Step 5: Solve for x
    x = 20,139,963.72/4,253.85
  6. Step 6: Final answer
    x = 4,734.53

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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.