Home / 5,131.25-7,695.96-1,843.91

Finding the Fourth Proportional to 5,131.25, 7,695.96 and 1,843.91

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Solution

The fourth proportional to 5,131.25, 7,695.96 and 1,843.91 is: 2,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.25 : 7,695.96 = 1,843.91 : x
  2. Step 2: Convert to fraction form
    5,131.25/7,695.96 = 1,843.91/x
  3. Step 3: Cross multiply
    5,131.25x = 7,695.96 × 1,843.91
  4. Step 4: Simplify right side
    5,131.25x = 14,190,694.73
  5. Step 5: Solve for x
    x = 14,190,694.73/5,131.25
  6. Step 6: Final answer
    x = 2,765.54

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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.