Home / 7,391.91-11,087.96-2,127.09

Finding the Fourth Proportional to 7,391.91, 11,087.96 and 2,127.09

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Solution

The fourth proportional to 7,391.91, 11,087.96 and 2,127.09 is: 3,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.91 : 11,087.96 = 2,127.09 : x
  2. Step 2: Convert to fraction form
    7,391.91/11,087.96 = 2,127.09/x
  3. Step 3: Cross multiply
    7,391.91x = 11,087.96 × 2,127.09
  4. Step 4: Simplify right side
    7,391.91x = 23,585,088.84
  5. Step 5: Solve for x
    x = 23,585,088.84/7,391.91
  6. Step 6: Final answer
    x = 3,190.66

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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.