Home / 5,080.26-7,013.15-3,821.79

Finding the Fourth Proportional to 5,080.26, 7,013.15 and 3,821.79

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Solution

The fourth proportional to 5,080.26, 7,013.15 and 3,821.79 is: 5,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.26 : 7,013.15 = 3,821.79 : x
  2. Step 2: Convert to fraction form
    5,080.26/7,013.15 = 3,821.79/x
  3. Step 3: Cross multiply
    5,080.26x = 7,013.15 × 3,821.79
  4. Step 4: Simplify right side
    5,080.26x = 26,802,814.32
  5. Step 5: Solve for x
    x = 26,802,814.32/5,080.26
  6. Step 6: Final answer
    x = 5,275.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.