Home / 7,540.51-11,306.91-3,984.54

Finding the Fourth Proportional to 7,540.51, 11,306.91 and 3,984.54

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Solution

The fourth proportional to 7,540.51, 11,306.91 and 3,984.54 is: 5,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.51 : 11,306.91 = 3,984.54 : x
  2. Step 2: Convert to fraction form
    7,540.51/11,306.91 = 3,984.54/x
  3. Step 3: Cross multiply
    7,540.51x = 11,306.91 × 3,984.54
  4. Step 4: Simplify right side
    7,540.51x = 45,052,835.17
  5. Step 5: Solve for x
    x = 45,052,835.17/7,540.51
  6. Step 6: Final answer
    x = 5,974.77

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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.