Home / 8,006.16-12,007.38-2,812.02

Finding the Fourth Proportional to 8,006.16, 12,007.38 and 2,812.02

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Solution

The fourth proportional to 8,006.16, 12,007.38 and 2,812.02 is: 4,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.16 : 12,007.38 = 2,812.02 : x
  2. Step 2: Convert to fraction form
    8,006.16/12,007.38 = 2,812.02/x
  3. Step 3: Cross multiply
    8,006.16x = 12,007.38 × 2,812.02
  4. Step 4: Simplify right side
    8,006.16x = 33,764,992.71
  5. Step 5: Solve for x
    x = 33,764,992.71/8,006.16
  6. Step 6: Final answer
    x = 4,217.38

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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.