Home / 5,137.97-7,707.30-1,805.82

Finding the Fourth Proportional to 5,137.97, 7,707.30 and 1,805.82

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Solution

The fourth proportional to 5,137.97, 7,707.30 and 1,805.82 is: 2,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.97 : 7,707.30 = 1,805.82 : x
  2. Step 2: Convert to fraction form
    5,137.97/7,707.30 = 1,805.82/x
  3. Step 3: Cross multiply
    5,137.97x = 7,707.30 × 1,805.82
  4. Step 4: Simplify right side
    5,137.97x = 13,917,960.81
  5. Step 5: Solve for x
    x = 13,917,960.81/5,137.97
  6. Step 6: Final answer
    x = 2,708.84

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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.