Home / 5,319.72-7,981.66-2,241.96

Finding the Fourth Proportional to 5,319.72, 7,981.66 and 2,241.96

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Solution

The fourth proportional to 5,319.72, 7,981.66 and 2,241.96 is: 3,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.72 : 7,981.66 = 2,241.96 : x
  2. Step 2: Convert to fraction form
    5,319.72/7,981.66 = 2,241.96/x
  3. Step 3: Cross multiply
    5,319.72x = 7,981.66 × 2,241.96
  4. Step 4: Simplify right side
    5,319.72x = 17,894,562.45
  5. Step 5: Solve for x
    x = 17,894,562.45/5,319.72
  6. Step 6: Final answer
    x = 3,363.82

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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.