Home / 4,139.82-6,207.79-1,505.48

Finding the Fourth Proportional to 4,139.82, 6,207.79 and 1,505.48

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Solution

The fourth proportional to 4,139.82, 6,207.79 and 1,505.48 is: 2,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.82 : 6,207.79 = 1,505.48 : x
  2. Step 2: Convert to fraction form
    4,139.82/6,207.79 = 1,505.48/x
  3. Step 3: Cross multiply
    4,139.82x = 6,207.79 × 1,505.48
  4. Step 4: Simplify right side
    4,139.82x = 9,345,703.69
  5. Step 5: Solve for x
    x = 9,345,703.69/4,139.82
  6. Step 6: Final answer
    x = 2,257.51

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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.