Home / 4,217.60-5,819.52-3,627.20

Finding the Fourth Proportional to 4,217.60, 5,819.52 and 3,627.20

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Solution

The fourth proportional to 4,217.60, 5,819.52 and 3,627.20 is: 5,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.60 : 5,819.52 = 3,627.20 : x
  2. Step 2: Convert to fraction form
    4,217.60/5,819.52 = 3,627.20/x
  3. Step 3: Cross multiply
    4,217.60x = 5,819.52 × 3,627.20
  4. Step 4: Simplify right side
    4,217.60x = 21,108,562.94
  5. Step 5: Solve for x
    x = 21,108,562.94/4,217.60
  6. Step 6: Final answer
    x = 5,004.88

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1.5x scale

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.