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Finding the Fourth Proportional to 6,600.02, 9,893.16 and 2,215.98

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Solution

The fourth proportional to 6,600.02, 9,893.16 and 2,215.98 is: 3,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.02 : 9,893.16 = 2,215.98 : x
  2. Step 2: Convert to fraction form
    6,600.02/9,893.16 = 2,215.98/x
  3. Step 3: Cross multiply
    6,600.02x = 9,893.16 × 2,215.98
  4. Step 4: Simplify right side
    6,600.02x = 21,923,044.70
  5. Step 5: Solve for x
    x = 21,923,044.70/6,600.02
  6. Step 6: Final answer
    x = 3,321.67

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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.