Home / 7,789.73-10,749.42-4,252.88

Finding the Fourth Proportional to 7,789.73, 10,749.42 and 4,252.88

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Solution

The fourth proportional to 7,789.73, 10,749.42 and 4,252.88 is: 5,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.73 : 10,749.42 = 4,252.88 : x
  2. Step 2: Convert to fraction form
    7,789.73/10,749.42 = 4,252.88/x
  3. Step 3: Cross multiply
    7,789.73x = 10,749.42 × 4,252.88
  4. Step 4: Simplify right side
    7,789.73x = 45,715,993.33
  5. Step 5: Solve for x
    x = 45,715,993.33/7,789.73
  6. Step 6: Final answer
    x = 5,868.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.