Home / 4,129.15-6,187.25-3,194.39

Finding the Fourth Proportional to 4,129.15, 6,187.25 and 3,194.39

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Solution

The fourth proportional to 4,129.15, 6,187.25 and 3,194.39 is: 4,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.15 : 6,187.25 = 3,194.39 : x
  2. Step 2: Convert to fraction form
    4,129.15/6,187.25 = 3,194.39/x
  3. Step 3: Cross multiply
    4,129.15x = 6,187.25 × 3,194.39
  4. Step 4: Simplify right side
    4,129.15x = 19,764,489.53
  5. Step 5: Solve for x
    x = 19,764,489.53/4,129.15
  6. Step 6: Final answer
    x = 4,786.58

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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.