Home / 4,819.43-7,215.48-3,171.02

Finding the Fourth Proportional to 4,819.43, 7,215.48 and 3,171.02

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Solution

The fourth proportional to 4,819.43, 7,215.48 and 3,171.02 is: 4,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.43 : 7,215.48 = 3,171.02 : x
  2. Step 2: Convert to fraction form
    4,819.43/7,215.48 = 3,171.02/x
  3. Step 3: Cross multiply
    4,819.43x = 7,215.48 × 3,171.02
  4. Step 4: Simplify right side
    4,819.43x = 22,880,395.31
  5. Step 5: Solve for x
    x = 22,880,395.31/4,819.43
  6. Step 6: Final answer
    x = 4,747.53

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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.