Home / 7,144.28-10,716.91-2,213.27

Finding the Fourth Proportional to 7,144.28, 10,716.91 and 2,213.27

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Solution

The fourth proportional to 7,144.28, 10,716.91 and 2,213.27 is: 3,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.28 : 10,716.91 = 2,213.27 : x
  2. Step 2: Convert to fraction form
    7,144.28/10,716.91 = 2,213.27/x
  3. Step 3: Cross multiply
    7,144.28x = 10,716.91 × 2,213.27
  4. Step 4: Simplify right side
    7,144.28x = 23,719,415.40
  5. Step 5: Solve for x
    x = 23,719,415.40/7,144.28
  6. Step 6: Final answer
    x = 3,320.06

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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.