Home / 7,391.80-11,091.16-3,231.27

Finding the Fourth Proportional to 7,391.80, 11,091.16 and 3,231.27

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Solution

The fourth proportional to 7,391.80, 11,091.16 and 3,231.27 is: 4,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.80 : 11,091.16 = 3,231.27 : x
  2. Step 2: Convert to fraction form
    7,391.80/11,091.16 = 3,231.27/x
  3. Step 3: Cross multiply
    7,391.80x = 11,091.16 × 3,231.27
  4. Step 4: Simplify right side
    7,391.80x = 35,838,536.61
  5. Step 5: Solve for x
    x = 35,838,536.61/7,391.80
  6. Step 6: Final answer
    x = 4,848.42

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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.