Home / 7,890.73-11,841.38-3,273.73

Finding the Fourth Proportional to 7,890.73, 11,841.38 and 3,273.73

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Solution

The fourth proportional to 7,890.73, 11,841.38 and 3,273.73 is: 4,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.73 : 11,841.38 = 3,273.73 : x
  2. Step 2: Convert to fraction form
    7,890.73/11,841.38 = 3,273.73/x
  3. Step 3: Cross multiply
    7,890.73x = 11,841.38 × 3,273.73
  4. Step 4: Simplify right side
    7,890.73x = 38,765,464.58
  5. Step 5: Solve for x
    x = 38,765,464.58/7,890.73
  6. Step 6: Final answer
    x = 4,912.79

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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.