Home / 7,147.14-10,723.23-2,218.02

Finding the Fourth Proportional to 7,147.14, 10,723.23 and 2,218.02

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Solution

The fourth proportional to 7,147.14, 10,723.23 and 2,218.02 is: 3,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.14 : 10,723.23 = 2,218.02 : x
  2. Step 2: Convert to fraction form
    7,147.14/10,723.23 = 2,218.02/x
  3. Step 3: Cross multiply
    7,147.14x = 10,723.23 × 2,218.02
  4. Step 4: Simplify right side
    7,147.14x = 23,784,338.60
  5. Step 5: Solve for x
    x = 23,784,338.60/7,147.14
  6. Step 6: Final answer
    x = 3,327.81

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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.