Home / 8,006.28-12,002.11-3,621.34

Finding the Fourth Proportional to 8,006.28, 12,002.11 and 3,621.34

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Solution

The fourth proportional to 8,006.28, 12,002.11 and 3,621.34 is: 5,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.28 : 12,002.11 = 3,621.34 : x
  2. Step 2: Convert to fraction form
    8,006.28/12,002.11 = 3,621.34/x
  3. Step 3: Cross multiply
    8,006.28x = 12,002.11 × 3,621.34
  4. Step 4: Simplify right side
    8,006.28x = 43,463,721.03
  5. Step 5: Solve for x
    x = 43,463,721.03/8,006.28
  6. Step 6: Final answer
    x = 5,428.70

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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.