Home / 6,600.21-9,902.34-2,217.30

Finding the Fourth Proportional to 6,600.21, 9,902.34 and 2,217.30

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Solution

The fourth proportional to 6,600.21, 9,902.34 and 2,217.30 is: 3,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.21 : 9,902.34 = 2,217.30 : x
  2. Step 2: Convert to fraction form
    6,600.21/9,902.34 = 2,217.30/x
  3. Step 3: Cross multiply
    6,600.21x = 9,902.34 × 2,217.30
  4. Step 4: Simplify right side
    6,600.21x = 21,956,458.48
  5. Step 5: Solve for x
    x = 21,956,458.48/6,600.21
  6. Step 6: Final answer
    x = 3,326.63

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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.