Home / 7,191.75-10,790.22-2,512.45

Finding the Fourth Proportional to 7,191.75, 10,790.22 and 2,512.45

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Solution

The fourth proportional to 7,191.75, 10,790.22 and 2,512.45 is: 3,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.75 : 10,790.22 = 2,512.45 : x
  2. Step 2: Convert to fraction form
    7,191.75/10,790.22 = 2,512.45/x
  3. Step 3: Cross multiply
    7,191.75x = 10,790.22 × 2,512.45
  4. Step 4: Simplify right side
    7,191.75x = 27,109,821.73
  5. Step 5: Solve for x
    x = 27,109,821.73/7,191.75
  6. Step 6: Final answer
    x = 3,769.57

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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.