Home / 3,927.27-5,891.70-1,330.14

Finding the Fourth Proportional to 3,927.27, 5,891.70 and 1,330.14

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Solution

The fourth proportional to 3,927.27, 5,891.70 and 1,330.14 is: 1,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.27 : 5,891.70 = 1,330.14 : x
  2. Step 2: Convert to fraction form
    3,927.27/5,891.70 = 1,330.14/x
  3. Step 3: Cross multiply
    3,927.27x = 5,891.70 × 1,330.14
  4. Step 4: Simplify right side
    3,927.27x = 7,836,785.84
  5. Step 5: Solve for x
    x = 7,836,785.84/3,927.27
  6. Step 6: Final answer
    x = 1,995.48

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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.