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Finding the Fourth Proportional to 6,109.52, 9,164.52 and 2,005.52

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Solution

The fourth proportional to 6,109.52, 9,164.52 and 2,005.52 is: 3,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.52 : 9,164.52 = 2,005.52 : x
  2. Step 2: Convert to fraction form
    6,109.52/9,164.52 = 2,005.52/x
  3. Step 3: Cross multiply
    6,109.52x = 9,164.52 × 2,005.52
  4. Step 4: Simplify right side
    6,109.52x = 18,379,628.15
  5. Step 5: Solve for x
    x = 18,379,628.15/6,109.52
  6. Step 6: Final answer
    x = 3,008.36

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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.