Home / 4,914.45-7,372.90-1,627.88

Finding the Fourth Proportional to 4,914.45, 7,372.90 and 1,627.88

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Solution

The fourth proportional to 4,914.45, 7,372.90 and 1,627.88 is: 2,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.45 : 7,372.90 = 1,627.88 : x
  2. Step 2: Convert to fraction form
    4,914.45/7,372.90 = 1,627.88/x
  3. Step 3: Cross multiply
    4,914.45x = 7,372.90 × 1,627.88
  4. Step 4: Simplify right side
    4,914.45x = 12,002,173.20
  5. Step 5: Solve for x
    x = 12,002,173.20/4,914.45
  6. Step 6: Final answer
    x = 2,442.22

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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.