Home / 6,601.23-9,900.23-2,218.59

Finding the Fourth Proportional to 6,601.23, 9,900.23 and 2,218.59

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Solution

The fourth proportional to 6,601.23, 9,900.23 and 2,218.59 is: 3,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.23 : 9,900.23 = 2,218.59 : x
  2. Step 2: Convert to fraction form
    6,601.23/9,900.23 = 2,218.59/x
  3. Step 3: Cross multiply
    6,601.23x = 9,900.23 × 2,218.59
  4. Step 4: Simplify right side
    6,601.23x = 21,964,540.18
  5. Step 5: Solve for x
    x = 21,964,540.18/6,601.23
  6. Step 6: Final answer
    x = 3,327.34

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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.