Home / 5,220.96-7,204.90-2,863.12

Finding the Fourth Proportional to 5,220.96, 7,204.90 and 2,863.12

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Solution

The fourth proportional to 5,220.96, 7,204.90 and 2,863.12 is: 3,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.96 : 7,204.90 = 2,863.12 : x
  2. Step 2: Convert to fraction form
    5,220.96/7,204.90 = 2,863.12/x
  3. Step 3: Cross multiply
    5,220.96x = 7,204.90 × 2,863.12
  4. Step 4: Simplify right side
    5,220.96x = 20,628,493.29
  5. Step 5: Solve for x
    x = 20,628,493.29/5,220.96
  6. Step 6: Final answer
    x = 3,951.09

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