Home / 5,212.35-7,819.54-2,250.79

Finding the Fourth Proportional to 5,212.35, 7,819.54 and 2,250.79

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Solution

The fourth proportional to 5,212.35, 7,819.54 and 2,250.79 is: 3,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.35 : 7,819.54 = 2,250.79 : x
  2. Step 2: Convert to fraction form
    5,212.35/7,819.54 = 2,250.79/x
  3. Step 3: Cross multiply
    5,212.35x = 7,819.54 × 2,250.79
  4. Step 4: Simplify right side
    5,212.35x = 17,600,117.26
  5. Step 5: Solve for x
    x = 17,600,117.26/5,212.35
  6. Step 6: Final answer
    x = 3,376.62

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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.