Home / 7,144.68-10,716.48-2,215.56

Finding the Fourth Proportional to 7,144.68, 10,716.48 and 2,215.56

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Solution

The fourth proportional to 7,144.68, 10,716.48 and 2,215.56 is: 3,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.68 : 10,716.48 = 2,215.56 : x
  2. Step 2: Convert to fraction form
    7,144.68/10,716.48 = 2,215.56/x
  3. Step 3: Cross multiply
    7,144.68x = 10,716.48 × 2,215.56
  4. Step 4: Simplify right side
    7,144.68x = 23,743,004.43
  5. Step 5: Solve for x
    x = 23,743,004.43/7,144.68
  6. Step 6: Final answer
    x = 3,323.17

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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.