Home / 7,424.11-11,137.52-3,728.89

Finding the Fourth Proportional to 7,424.11, 11,137.52 and 3,728.89

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Solution

The fourth proportional to 7,424.11, 11,137.52 and 3,728.89 is: 5,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.11 : 11,137.52 = 3,728.89 : x
  2. Step 2: Convert to fraction form
    7,424.11/11,137.52 = 3,728.89/x
  3. Step 3: Cross multiply
    7,424.11x = 11,137.52 × 3,728.89
  4. Step 4: Simplify right side
    7,424.11x = 41,530,586.95
  5. Step 5: Solve for x
    x = 41,530,586.95/7,424.11
  6. Step 6: Final answer
    x = 5,594.02

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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.