Home / 7,743.72-11,618.82-2,550.12

Finding the Fourth Proportional to 7,743.72, 11,618.82 and 2,550.12

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Solution

The fourth proportional to 7,743.72, 11,618.82 and 2,550.12 is: 3,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.72 : 11,618.82 = 2,550.12 : x
  2. Step 2: Convert to fraction form
    7,743.72/11,618.82 = 2,550.12/x
  3. Step 3: Cross multiply
    7,743.72x = 11,618.82 × 2,550.12
  4. Step 4: Simplify right side
    7,743.72x = 29,629,385.26
  5. Step 5: Solve for x
    x = 29,629,385.26/7,743.72
  6. Step 6: Final answer
    x = 3,826.25

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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.