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Finding the Fourth Proportional to 6,609.29, 9,913.92 and 3,321.59

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Solution

The fourth proportional to 6,609.29, 9,913.92 and 3,321.59 is: 4,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.29 : 9,913.92 = 3,321.59 : x
  2. Step 2: Convert to fraction form
    6,609.29/9,913.92 = 3,321.59/x
  3. Step 3: Cross multiply
    6,609.29x = 9,913.92 × 3,321.59
  4. Step 4: Simplify right side
    6,609.29x = 32,929,927.96
  5. Step 5: Solve for x
    x = 32,929,927.96/6,609.29
  6. Step 6: Final answer
    x = 4,982.37

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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.