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Finding the Fourth Proportional to 6,599.70, 9,900.51 and 2,216.10

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Solution

The fourth proportional to 6,599.70, 9,900.51 and 2,216.10 is: 3,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.70 : 9,900.51 = 2,216.10 : x
  2. Step 2: Convert to fraction form
    6,599.70/9,900.51 = 2,216.10/x
  3. Step 3: Cross multiply
    6,599.70x = 9,900.51 × 2,216.10
  4. Step 4: Simplify right side
    6,599.70x = 21,940,520.21
  5. Step 5: Solve for x
    x = 21,940,520.21/6,599.70
  6. Step 6: Final answer
    x = 3,324.47

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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.