Home / 4,236.96-6,342.48-3,138.60

Finding the Fourth Proportional to 4,236.96, 6,342.48 and 3,138.60

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Solution

The fourth proportional to 4,236.96, 6,342.48 and 3,138.60 is: 4,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.96 : 6,342.48 = 3,138.60 : x
  2. Step 2: Convert to fraction form
    4,236.96/6,342.48 = 3,138.60/x
  3. Step 3: Cross multiply
    4,236.96x = 6,342.48 × 3,138.60
  4. Step 4: Simplify right side
    4,236.96x = 19,906,507.73
  5. Step 5: Solve for x
    x = 19,906,507.73/4,236.96
  6. Step 6: Final answer
    x = 4,698.30

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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.