Home / 7,393.26-11,089.82-2,128.38

Finding the Fourth Proportional to 7,393.26, 11,089.82 and 2,128.38

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Solution

The fourth proportional to 7,393.26, 11,089.82 and 2,128.38 is: 3,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.26 : 11,089.82 = 2,128.38 : x
  2. Step 2: Convert to fraction form
    7,393.26/11,089.82 = 2,128.38/x
  3. Step 3: Cross multiply
    7,393.26x = 11,089.82 × 2,128.38
  4. Step 4: Simplify right side
    7,393.26x = 23,603,351.09
  5. Step 5: Solve for x
    x = 23,603,351.09/7,393.26
  6. Step 6: Final answer
    x = 3,192.55

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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.