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Finding the Fourth Proportional to 6,600.36, 9,900.54 and 2,217.84

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Solution

The fourth proportional to 6,600.36, 9,900.54 and 2,217.84 is: 3,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.36 : 9,900.54 = 2,217.84 : x
  2. Step 2: Convert to fraction form
    6,600.36/9,900.54 = 2,217.84/x
  3. Step 3: Cross multiply
    6,600.36x = 9,900.54 × 2,217.84
  4. Step 4: Simplify right side
    6,600.36x = 21,957,813.63
  5. Step 5: Solve for x
    x = 21,957,813.63/6,600.36
  6. Step 6: Final answer
    x = 3,326.76

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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.