Home / 6,600.46-9,900.69-2,217.92

Finding the Fourth Proportional to 6,600.46, 9,900.69 and 2,217.92

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Solution

The fourth proportional to 6,600.46, 9,900.69 and 2,217.92 is: 3,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.46 : 9,900.69 = 2,217.92 : x
  2. Step 2: Convert to fraction form
    6,600.46/9,900.69 = 2,217.92/x
  3. Step 3: Cross multiply
    6,600.46x = 9,900.69 × 2,217.92
  4. Step 4: Simplify right side
    6,600.46x = 21,958,877.77
  5. Step 5: Solve for x
    x = 21,958,877.77/6,600.46
  6. Step 6: Final answer
    x = 3,326.87

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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.