Home / 7,738.82-11,604.74-2,190.85

Finding the Fourth Proportional to 7,738.82, 11,604.74 and 2,190.85

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Solution

The fourth proportional to 7,738.82, 11,604.74 and 2,190.85 is: 3,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.82 : 11,604.74 = 2,190.85 : x
  2. Step 2: Convert to fraction form
    7,738.82/11,604.74 = 2,190.85/x
  3. Step 3: Cross multiply
    7,738.82x = 11,604.74 × 2,190.85
  4. Step 4: Simplify right side
    7,738.82x = 25,424,244.63
  5. Step 5: Solve for x
    x = 25,424,244.63/7,738.82
  6. Step 6: Final answer
    x = 3,285.29

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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.