Home / 4,975.87-6,867.37-3,212.61

Finding the Fourth Proportional to 4,975.87, 6,867.37 and 3,212.61

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Solution

The fourth proportional to 4,975.87, 6,867.37 and 3,212.61 is: 4,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.87 : 6,867.37 = 3,212.61 : x
  2. Step 2: Convert to fraction form
    4,975.87/6,867.37 = 3,212.61/x
  3. Step 3: Cross multiply
    4,975.87x = 6,867.37 × 3,212.61
  4. Step 4: Simplify right side
    4,975.87x = 22,062,181.54
  5. Step 5: Solve for x
    x = 22,062,181.54/4,975.87
  6. Step 6: Final answer
    x = 4,433.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.