Home / 7,110.92-10,668.21-2,728.72

Finding the Fourth Proportional to 7,110.92, 10,668.21 and 2,728.72

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Solution

The fourth proportional to 7,110.92, 10,668.21 and 2,728.72 is: 4,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.92 : 10,668.21 = 2,728.72 : x
  2. Step 2: Convert to fraction form
    7,110.92/10,668.21 = 2,728.72/x
  3. Step 3: Cross multiply
    7,110.92x = 10,668.21 × 2,728.72
  4. Step 4: Simplify right side
    7,110.92x = 29,110,561.09
  5. Step 5: Solve for x
    x = 29,110,561.09/7,110.92
  6. Step 6: Final answer
    x = 4,093.78

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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.