Home / 5,080.66-7,623.15-2,856.81

Finding the Fourth Proportional to 5,080.66, 7,623.15 and 2,856.81

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Solution

The fourth proportional to 5,080.66, 7,623.15 and 2,856.81 is: 4,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.66 : 7,623.15 = 2,856.81 : x
  2. Step 2: Convert to fraction form
    5,080.66/7,623.15 = 2,856.81/x
  3. Step 3: Cross multiply
    5,080.66x = 7,623.15 × 2,856.81
  4. Step 4: Simplify right side
    5,080.66x = 21,777,891.15
  5. Step 5: Solve for x
    x = 21,777,891.15/5,080.66
  6. Step 6: Final answer
    x = 4,286.43

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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.