Home / 7,623.21-11,432.48-2,942.85

Finding the Fourth Proportional to 7,623.21, 11,432.48 and 2,942.85

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Solution

The fourth proportional to 7,623.21, 11,432.48 and 2,942.85 is: 4,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.21 : 11,432.48 = 2,942.85 : x
  2. Step 2: Convert to fraction form
    7,623.21/11,432.48 = 2,942.85/x
  3. Step 3: Cross multiply
    7,623.21x = 11,432.48 × 2,942.85
  4. Step 4: Simplify right side
    7,623.21x = 33,644,059.05
  5. Step 5: Solve for x
    x = 33,644,059.05/7,623.21
  6. Step 6: Final answer
    x = 4,413.37

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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.