Home / 4,522.20-6,778.79-2,181.53

Finding the Fourth Proportional to 4,522.20, 6,778.79 and 2,181.53

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Solution

The fourth proportional to 4,522.20, 6,778.79 and 2,181.53 is: 3,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.20 : 6,778.79 = 2,181.53 : x
  2. Step 2: Convert to fraction form
    4,522.20/6,778.79 = 2,181.53/x
  3. Step 3: Cross multiply
    4,522.20x = 6,778.79 × 2,181.53
  4. Step 4: Simplify right side
    4,522.20x = 14,788,147.97
  5. Step 5: Solve for x
    x = 14,788,147.97/4,522.20
  6. Step 6: Final answer
    x = 3,270.13

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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.