Home / 4,138.83-6,209.85-3,270.42

Finding the Fourth Proportional to 4,138.83, 6,209.85 and 3,270.42

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Solution

The fourth proportional to 4,138.83, 6,209.85 and 3,270.42 is: 4,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.83 : 6,209.85 = 3,270.42 : x
  2. Step 2: Convert to fraction form
    4,138.83/6,209.85 = 3,270.42/x
  3. Step 3: Cross multiply
    4,138.83x = 6,209.85 × 3,270.42
  4. Step 4: Simplify right side
    4,138.83x = 20,308,817.64
  5. Step 5: Solve for x
    x = 20,308,817.64/4,138.83
  6. Step 6: Final answer
    x = 4,906.90

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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.