Home / 7,316.28-10,974.78-2,122.56

Finding the Fourth Proportional to 7,316.28, 10,974.78 and 2,122.56

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Solution

The fourth proportional to 7,316.28, 10,974.78 and 2,122.56 is: 3,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.28 : 10,974.78 = 2,122.56 : x
  2. Step 2: Convert to fraction form
    7,316.28/10,974.78 = 2,122.56/x
  3. Step 3: Cross multiply
    7,316.28x = 10,974.78 × 2,122.56
  4. Step 4: Simplify right side
    7,316.28x = 23,294,629.04
  5. Step 5: Solve for x
    x = 23,294,629.04/7,316.28
  6. Step 6: Final answer
    x = 3,183.94

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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.