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Finding the Fourth Proportional to 6,609.53, 9,911.07 and 3,273.92

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Solution

The fourth proportional to 6,609.53, 9,911.07 and 3,273.92 is: 4,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.53 : 9,911.07 = 3,273.92 : x
  2. Step 2: Convert to fraction form
    6,609.53/9,911.07 = 3,273.92/x
  3. Step 3: Cross multiply
    6,609.53x = 9,911.07 × 3,273.92
  4. Step 4: Simplify right side
    6,609.53x = 32,448,050.29
  5. Step 5: Solve for x
    x = 32,448,050.29/6,609.53
  6. Step 6: Final answer
    x = 4,909.28

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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.