Home / 8,369.09-12,553.20-2,822.64

Finding the Fourth Proportional to 8,369.09, 12,553.20 and 2,822.64

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Solution

The fourth proportional to 8,369.09, 12,553.20 and 2,822.64 is: 4,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.09 : 12,553.20 = 2,822.64 : x
  2. Step 2: Convert to fraction form
    8,369.09/12,553.20 = 2,822.64/x
  3. Step 3: Cross multiply
    8,369.09x = 12,553.20 × 2,822.64
  4. Step 4: Simplify right side
    8,369.09x = 35,433,164.45
  5. Step 5: Solve for x
    x = 35,433,164.45/8,369.09
  6. Step 6: Final answer
    x = 4,233.82

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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.