Home / 4,141.38-6,212.31-1,330.47

Finding the Fourth Proportional to 4,141.38, 6,212.31 and 1,330.47

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Solution

The fourth proportional to 4,141.38, 6,212.31 and 1,330.47 is: 1,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.38 : 6,212.31 = 1,330.47 : x
  2. Step 2: Convert to fraction form
    4,141.38/6,212.31 = 1,330.47/x
  3. Step 3: Cross multiply
    4,141.38x = 6,212.31 × 1,330.47
  4. Step 4: Simplify right side
    4,141.38x = 8,265,292.09
  5. Step 5: Solve for x
    x = 8,265,292.09/4,141.38
  6. Step 6: Final answer
    x = 1,995.78

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1.5x scale

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.