Home / 6,601.43-9,902.25-2,218.92

Finding the Fourth Proportional to 6,601.43, 9,902.25 and 2,218.92

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Solution

The fourth proportional to 6,601.43, 9,902.25 and 2,218.92 is: 3,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.43 : 9,902.25 = 2,218.92 : x
  2. Step 2: Convert to fraction form
    6,601.43/9,902.25 = 2,218.92/x
  3. Step 3: Cross multiply
    6,601.43x = 9,902.25 × 2,218.92
  4. Step 4: Simplify right side
    6,601.43x = 21,972,300.57
  5. Step 5: Solve for x
    x = 21,972,300.57/6,601.43
  6. Step 6: Final answer
    x = 3,328.42

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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.