Home / 7,738.94-11,604.93-2,190.97

Finding the Fourth Proportional to 7,738.94, 11,604.93 and 2,190.97

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Solution

The fourth proportional to 7,738.94, 11,604.93 and 2,190.97 is: 3,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.94 : 11,604.93 = 2,190.97 : x
  2. Step 2: Convert to fraction form
    7,738.94/11,604.93 = 2,190.97/x
  3. Step 3: Cross multiply
    7,738.94x = 11,604.93 × 2,190.97
  4. Step 4: Simplify right side
    7,738.94x = 25,426,059.77
  5. Step 5: Solve for x
    x = 25,426,059.77/7,738.94
  6. Step 6: Final answer
    x = 3,285.47

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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.