Home / 7,987.62-11,983.19-2,441.39

Finding the Fourth Proportional to 7,987.62, 11,983.19 and 2,441.39

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Solution

The fourth proportional to 7,987.62, 11,983.19 and 2,441.39 is: 3,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.62 : 11,983.19 = 2,441.39 : x
  2. Step 2: Convert to fraction form
    7,987.62/11,983.19 = 2,441.39/x
  3. Step 3: Cross multiply
    7,987.62x = 11,983.19 × 2,441.39
  4. Step 4: Simplify right side
    7,987.62x = 29,255,657.99
  5. Step 5: Solve for x
    x = 29,255,657.99/7,987.62
  6. Step 6: Final answer
    x = 3,662.63

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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.