Home / 7,143.08-10,716.91-2,213.69

Finding the Fourth Proportional to 7,143.08, 10,716.91 and 2,213.69

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Solution

The fourth proportional to 7,143.08, 10,716.91 and 2,213.69 is: 3,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.08 : 10,716.91 = 2,213.69 : x
  2. Step 2: Convert to fraction form
    7,143.08/10,716.91 = 2,213.69/x
  3. Step 3: Cross multiply
    7,143.08x = 10,716.91 × 2,213.69
  4. Step 4: Simplify right side
    7,143.08x = 23,723,857.38
  5. Step 5: Solve for x
    x = 23,723,857.38/7,143.08
  6. Step 6: Final answer
    x = 3,321.24

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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.