Home / 5,220.85-7,204.74-2,863

Finding the Fourth Proportional to 5,220.85, 7,204.74 and 2,863

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Solution

The fourth proportional to 5,220.85, 7,204.74 and 2,863 is: 3,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.85 : 7,204.74 = 2,863 : x
  2. Step 2: Convert to fraction form
    5,220.85/7,204.74 = 2,863/x
  3. Step 3: Cross multiply
    5,220.85x = 7,204.74 × 2,863
  4. Step 4: Simplify right side
    5,220.85x = 20,627,170.62
  5. Step 5: Solve for x
    x = 20,627,170.62/5,220.85
  6. Step 6: Final answer
    x = 3,950.92

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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.