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Finding the Fourth Proportional to 6,531.92, 9,794.28 and 3,404.12

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Solution

The fourth proportional to 6,531.92, 9,794.28 and 3,404.12 is: 5,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.92 : 9,794.28 = 3,404.12 : x
  2. Step 2: Convert to fraction form
    6,531.92/9,794.28 = 3,404.12/x
  3. Step 3: Cross multiply
    6,531.92x = 9,794.28 × 3,404.12
  4. Step 4: Simplify right side
    6,531.92x = 33,340,904.43
  5. Step 5: Solve for x
    x = 33,340,904.43/6,531.92
  6. Step 6: Final answer
    x = 5,104.30

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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.