Home / 7,923.29-11,884.01-2,080.35

Finding the Fourth Proportional to 7,923.29, 11,884.01 and 2,080.35

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Solution

The fourth proportional to 7,923.29, 11,884.01 and 2,080.35 is: 3,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.29 : 11,884.01 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    7,923.29/11,884.01 = 2,080.35/x
  3. Step 3: Cross multiply
    7,923.29x = 11,884.01 × 2,080.35
  4. Step 4: Simplify right side
    7,923.29x = 24,722,919.51
  5. Step 5: Solve for x
    x = 24,722,919.51/7,923.29
  6. Step 6: Final answer
    x = 3,120.29

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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.