Home / 4,914.20-7,371.48-1,627.22

Finding the Fourth Proportional to 4,914.20, 7,371.48 and 1,627.22

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Solution

The fourth proportional to 4,914.20, 7,371.48 and 1,627.22 is: 2,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.20 : 7,371.48 = 1,627.22 : x
  2. Step 2: Convert to fraction form
    4,914.20/7,371.48 = 1,627.22/x
  3. Step 3: Cross multiply
    4,914.20x = 7,371.48 × 1,627.22
  4. Step 4: Simplify right side
    4,914.20x = 11,995,019.69
  5. Step 5: Solve for x
    x = 11,995,019.69/4,914.20
  6. Step 6: Final answer
    x = 2,440.89

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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.