Home / 4,138.68-6,188.82-3,203.64

Finding the Fourth Proportional to 4,138.68, 6,188.82 and 3,203.64

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Solution

The fourth proportional to 4,138.68, 6,188.82 and 3,203.64 is: 4,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.68 : 6,188.82 = 3,203.64 : x
  2. Step 2: Convert to fraction form
    4,138.68/6,188.82 = 3,203.64/x
  3. Step 3: Cross multiply
    4,138.68x = 6,188.82 × 3,203.64
  4. Step 4: Simplify right side
    4,138.68x = 19,826,751.30
  5. Step 5: Solve for x
    x = 19,826,751.30/4,138.68
  6. Step 6: Final answer
    x = 4,790.60

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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.