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Finding the Fourth Proportional to 7,600.77, 11,394.05 and 3,894.80

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Solution

The fourth proportional to 7,600.77, 11,394.05 and 3,894.80 is: 5,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.77 : 11,394.05 = 3,894.80 : x
  2. Step 2: Convert to fraction form
    7,600.77/11,394.05 = 3,894.80/x
  3. Step 3: Cross multiply
    7,600.77x = 11,394.05 × 3,894.80
  4. Step 4: Simplify right side
    7,600.77x = 44,377,469.50
  5. Step 5: Solve for x
    x = 44,377,469.50/7,600.77
  6. Step 6: Final answer
    x = 5,838.55

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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.