Home / 6,921.45-10,383.80-2,241.68

Finding the Fourth Proportional to 6,921.45, 10,383.80 and 2,241.68

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Solution

The fourth proportional to 6,921.45, 10,383.80 and 2,241.68 is: 3,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.45 : 10,383.80 = 2,241.68 : x
  2. Step 2: Convert to fraction form
    6,921.45/10,383.80 = 2,241.68/x
  3. Step 3: Cross multiply
    6,921.45x = 10,383.80 × 2,241.68
  4. Step 4: Simplify right side
    6,921.45x = 23,277,093.66
  5. Step 5: Solve for x
    x = 23,277,093.66/6,921.45
  6. Step 6: Final answer
    x = 3,363.04

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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.