Home / 5,307.13-7,324.66-3,819.97

Finding the Fourth Proportional to 5,307.13, 7,324.66 and 3,819.97

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Solution

The fourth proportional to 5,307.13, 7,324.66 and 3,819.97 is: 5,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.13 : 7,324.66 = 3,819.97 : x
  2. Step 2: Convert to fraction form
    5,307.13/7,324.66 = 3,819.97/x
  3. Step 3: Cross multiply
    5,307.13x = 7,324.66 × 3,819.97
  4. Step 4: Simplify right side
    5,307.13x = 27,979,995.39
  5. Step 5: Solve for x
    x = 27,979,995.39/5,307.13
  6. Step 6: Final answer
    x = 5,272.15

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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.