Home / 5,455.82-8,185.10-1,757.97

Finding the Fourth Proportional to 5,455.82, 8,185.10 and 1,757.97

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Solution

The fourth proportional to 5,455.82, 8,185.10 and 1,757.97 is: 2,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.82 : 8,185.10 = 1,757.97 : x
  2. Step 2: Convert to fraction form
    5,455.82/8,185.10 = 1,757.97/x
  3. Step 3: Cross multiply
    5,455.82x = 8,185.10 × 1,757.97
  4. Step 4: Simplify right side
    5,455.82x = 14,389,151.46
  5. Step 5: Solve for x
    x = 14,389,151.46/5,455.82
  6. Step 6: Final answer
    x = 2,637.39

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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.