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Finding the Fourth Proportional to 8,006.76, 12,001.94 and 3,329.48

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Solution

The fourth proportional to 8,006.76, 12,001.94 and 3,329.48 is: 4,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.76 : 12,001.94 = 3,329.48 : x
  2. Step 2: Convert to fraction form
    8,006.76/12,001.94 = 3,329.48/x
  3. Step 3: Cross multiply
    8,006.76x = 12,001.94 × 3,329.48
  4. Step 4: Simplify right side
    8,006.76x = 39,960,219.19
  5. Step 5: Solve for x
    x = 39,960,219.19/8,006.76
  6. Step 6: Final answer
    x = 4,990.81

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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.