Home / 5,921.78-8,171.93-3,269.30

Finding the Fourth Proportional to 5,921.78, 8,171.93 and 3,269.30

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Solution

The fourth proportional to 5,921.78, 8,171.93 and 3,269.30 is: 4,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.78 : 8,171.93 = 3,269.30 : x
  2. Step 2: Convert to fraction form
    5,921.78/8,171.93 = 3,269.30/x
  3. Step 3: Cross multiply
    5,921.78x = 8,171.93 × 3,269.30
  4. Step 4: Simplify right side
    5,921.78x = 26,716,458.06
  5. Step 5: Solve for x
    x = 26,716,458.06/5,921.78
  6. Step 6: Final answer
    x = 4,511.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.