Home / 8,822.36-13,231.92-3,628.64

Finding the Fourth Proportional to 8,822.36, 13,231.92 and 3,628.64

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Solution

The fourth proportional to 8,822.36, 13,231.92 and 3,628.64 is: 5,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.36 : 13,231.92 = 3,628.64 : x
  2. Step 2: Convert to fraction form
    8,822.36/13,231.92 = 3,628.64/x
  3. Step 3: Cross multiply
    8,822.36x = 13,231.92 × 3,628.64
  4. Step 4: Simplify right side
    8,822.36x = 48,013,874.19
  5. Step 5: Solve for x
    x = 48,013,874.19/8,822.36
  6. Step 6: Final answer
    x = 5,442.29

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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.