Home / 7,837.83-11,756.81-1,994.43

Finding the Fourth Proportional to 7,837.83, 11,756.81 and 1,994.43

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Solution

The fourth proportional to 7,837.83, 11,756.81 and 1,994.43 is: 2,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.83 : 11,756.81 = 1,994.43 : x
  2. Step 2: Convert to fraction form
    7,837.83/11,756.81 = 1,994.43/x
  3. Step 3: Cross multiply
    7,837.83x = 11,756.81 × 1,994.43
  4. Step 4: Simplify right side
    7,837.83x = 23,448,134.57
  5. Step 5: Solve for x
    x = 23,448,134.57/7,837.83
  6. Step 6: Final answer
    x = 2,991.66

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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.