Home / 5,141.81-7,712.72-3,293.79

Finding the Fourth Proportional to 5,141.81, 7,712.72 and 3,293.79

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Solution

The fourth proportional to 5,141.81, 7,712.72 and 3,293.79 is: 4,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.81 : 7,712.72 = 3,293.79 : x
  2. Step 2: Convert to fraction form
    5,141.81/7,712.72 = 3,293.79/x
  3. Step 3: Cross multiply
    5,141.81x = 7,712.72 × 3,293.79
  4. Step 4: Simplify right side
    5,141.81x = 25,404,063.54
  5. Step 5: Solve for x
    x = 25,404,063.54/5,141.81
  6. Step 6: Final answer
    x = 4,940.69

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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.