Home / 7,197.87-10,794.07-2,814.76

Finding the Fourth Proportional to 7,197.87, 10,794.07 and 2,814.76

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Solution

The fourth proportional to 7,197.87, 10,794.07 and 2,814.76 is: 4,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.87 : 10,794.07 = 2,814.76 : x
  2. Step 2: Convert to fraction form
    7,197.87/10,794.07 = 2,814.76/x
  3. Step 3: Cross multiply
    7,197.87x = 10,794.07 × 2,814.76
  4. Step 4: Simplify right side
    7,197.87x = 30,382,716.47
  5. Step 5: Solve for x
    x = 30,382,716.47/7,197.87
  6. Step 6: Final answer
    x = 4,221.07

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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.