Home / 4,187.60-6,286.80-3,366.80

Finding the Fourth Proportional to 4,187.60, 6,286.80 and 3,366.80

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Solution

The fourth proportional to 4,187.60, 6,286.80 and 3,366.80 is: 5,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.60 : 6,286.80 = 3,366.80 : x
  2. Step 2: Convert to fraction form
    4,187.60/6,286.80 = 3,366.80/x
  3. Step 3: Cross multiply
    4,187.60x = 6,286.80 × 3,366.80
  4. Step 4: Simplify right side
    4,187.60x = 21,166,398.24
  5. Step 5: Solve for x
    x = 21,166,398.24/4,187.60
  6. Step 6: Final answer
    x = 5,054.54

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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.