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Finding the Fourth Proportional to 6,006.61, 9,009.93 and 3,939.69

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Solution

The fourth proportional to 6,006.61, 9,009.93 and 3,939.69 is: 5,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,006.61 : 9,009.93 = 3,939.69 : x
  2. Step 2: Convert to fraction form
    6,006.61/9,009.93 = 3,939.69/x
  3. Step 3: Cross multiply
    6,006.61x = 9,009.93 × 3,939.69
  4. Step 4: Simplify right side
    6,006.61x = 35,496,329.00
  5. Step 5: Solve for x
    x = 35,496,329.00/6,006.61
  6. Step 6: Final answer
    x = 5,909.55

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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.