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Finding the Fourth Proportional to 8,002.09, 12,003.17 and 2,807.97

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Solution

The fourth proportional to 8,002.09, 12,003.17 and 2,807.97 is: 4,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.09 : 12,003.17 = 2,807.97 : x
  2. Step 2: Convert to fraction form
    8,002.09/12,003.17 = 2,807.97/x
  3. Step 3: Cross multiply
    8,002.09x = 12,003.17 × 2,807.97
  4. Step 4: Simplify right side
    8,002.09x = 33,704,541.26
  5. Step 5: Solve for x
    x = 33,704,541.26/8,002.09
  6. Step 6: Final answer
    x = 4,211.97

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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.