Home / 7,728.25-11,590.62-2,182.15

Finding the Fourth Proportional to 7,728.25, 11,590.62 and 2,182.15

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Solution

The fourth proportional to 7,728.25, 11,590.62 and 2,182.15 is: 3,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.25 : 11,590.62 = 2,182.15 : x
  2. Step 2: Convert to fraction form
    7,728.25/11,590.62 = 2,182.15/x
  3. Step 3: Cross multiply
    7,728.25x = 11,590.62 × 2,182.15
  4. Step 4: Simplify right side
    7,728.25x = 25,292,471.43
  5. Step 5: Solve for x
    x = 25,292,471.43/7,728.25
  6. Step 6: Final answer
    x = 3,272.73

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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.