Home / 5,221.35-7,836.75-2,449.62

Finding the Fourth Proportional to 5,221.35, 7,836.75 and 2,449.62

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Solution

The fourth proportional to 5,221.35, 7,836.75 and 2,449.62 is: 3,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.35 : 7,836.75 = 2,449.62 : x
  2. Step 2: Convert to fraction form
    5,221.35/7,836.75 = 2,449.62/x
  3. Step 3: Cross multiply
    5,221.35x = 7,836.75 × 2,449.62
  4. Step 4: Simplify right side
    5,221.35x = 19,197,059.54
  5. Step 5: Solve for x
    x = 19,197,059.54/5,221.35
  6. Step 6: Final answer
    x = 3,676.65

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1.5x scale

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.