Home / 5,768.25-8,653.68-1,819.48

Finding the Fourth Proportional to 5,768.25, 8,653.68 and 1,819.48

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Solution

The fourth proportional to 5,768.25, 8,653.68 and 1,819.48 is: 2,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.25 : 8,653.68 = 1,819.48 : x
  2. Step 2: Convert to fraction form
    5,768.25/8,653.68 = 1,819.48/x
  3. Step 3: Cross multiply
    5,768.25x = 8,653.68 × 1,819.48
  4. Step 4: Simplify right side
    5,768.25x = 15,745,187.16
  5. Step 5: Solve for x
    x = 15,745,187.16/5,768.25
  6. Step 6: Final answer
    x = 2,729.63

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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.