Home / 6,531.92-9,799.36-2,149.42

Finding the Fourth Proportional to 6,531.92, 9,799.36 and 2,149.42

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Solution

The fourth proportional to 6,531.92, 9,799.36 and 2,149.42 is: 3,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.92 : 9,799.36 = 2,149.42 : x
  2. Step 2: Convert to fraction form
    6,531.92/9,799.36 = 2,149.42/x
  3. Step 3: Cross multiply
    6,531.92x = 9,799.36 × 2,149.42
  4. Step 4: Simplify right side
    6,531.92x = 21,062,940.37
  5. Step 5: Solve for x
    x = 21,062,940.37/6,531.92
  6. Step 6: Final answer
    x = 3,224.62

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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.