Home / 7,194.78-10,793.50-2,811.96

Finding the Fourth Proportional to 7,194.78, 10,793.50 and 2,811.96

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Solution

The fourth proportional to 7,194.78, 10,793.50 and 2,811.96 is: 4,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.78 : 10,793.50 = 2,811.96 : x
  2. Step 2: Convert to fraction form
    7,194.78/10,793.50 = 2,811.96/x
  3. Step 3: Cross multiply
    7,194.78x = 10,793.50 × 2,811.96
  4. Step 4: Simplify right side
    7,194.78x = 30,350,883.23
  5. Step 5: Solve for x
    x = 30,350,883.23/7,194.78
  6. Step 6: Final answer
    x = 4,218.46

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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.