Home / 7,837.85-11,756.46-1,994.61

Finding the Fourth Proportional to 7,837.85, 11,756.46 and 1,994.61

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Solution

The fourth proportional to 7,837.85, 11,756.46 and 1,994.61 is: 2,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.85 : 11,756.46 = 1,994.61 : x
  2. Step 2: Convert to fraction form
    7,837.85/11,756.46 = 1,994.61/x
  3. Step 3: Cross multiply
    7,837.85x = 11,756.46 × 1,994.61
  4. Step 4: Simplify right side
    7,837.85x = 23,449,552.68
  5. Step 5: Solve for x
    x = 23,449,552.68/7,837.85
  6. Step 6: Final answer
    x = 2,991.83

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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.