Home / 8,775.32-13,161.56-3,227.29

Finding the Fourth Proportional to 8,775.32, 13,161.56 and 3,227.29

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Solution

The fourth proportional to 8,775.32, 13,161.56 and 3,227.29 is: 4,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.32 : 13,161.56 = 3,227.29 : x
  2. Step 2: Convert to fraction form
    8,775.32/13,161.56 = 3,227.29/x
  3. Step 3: Cross multiply
    8,775.32x = 13,161.56 × 3,227.29
  4. Step 4: Simplify right side
    8,775.32x = 42,476,121.93
  5. Step 5: Solve for x
    x = 42,476,121.93/8,775.32
  6. Step 6: Final answer
    x = 4,840.41

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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.