Home / 5,819.75-8,729.78-1,659.83

Finding the Fourth Proportional to 5,819.75, 8,729.78 and 1,659.83

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Solution

The fourth proportional to 5,819.75, 8,729.78 and 1,659.83 is: 2,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.75 : 8,729.78 = 1,659.83 : x
  2. Step 2: Convert to fraction form
    5,819.75/8,729.78 = 1,659.83/x
  3. Step 3: Cross multiply
    5,819.75x = 8,729.78 × 1,659.83
  4. Step 4: Simplify right side
    5,819.75x = 14,489,950.74
  5. Step 5: Solve for x
    x = 14,489,950.74/5,819.75
  6. Step 6: Final answer
    x = 2,489.79

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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.