Home / 5,819.36-8,729.03-4,789.19

Finding the Fourth Proportional to 5,819.36, 8,729.03 and 4,789.19

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Solution

The fourth proportional to 5,819.36, 8,729.03 and 4,789.19 is: 7,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.36 : 8,729.03 = 4,789.19 : x
  2. Step 2: Convert to fraction form
    5,819.36/8,729.03 = 4,789.19/x
  3. Step 3: Cross multiply
    5,819.36x = 8,729.03 × 4,789.19
  4. Step 4: Simplify right side
    5,819.36x = 41,805,016.98
  5. Step 5: Solve for x
    x = 41,805,016.98/5,819.36
  6. Step 6: Final answer
    x = 7,183.79

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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.