Home / 5,287.82-7,290.45-3,395.97

Finding the Fourth Proportional to 5,287.82, 7,290.45 and 3,395.97

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Solution

The fourth proportional to 5,287.82, 7,290.45 and 3,395.97 is: 4,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.82 : 7,290.45 = 3,395.97 : x
  2. Step 2: Convert to fraction form
    5,287.82/7,290.45 = 3,395.97/x
  3. Step 3: Cross multiply
    5,287.82x = 7,290.45 × 3,395.97
  4. Step 4: Simplify right side
    5,287.82x = 24,758,149.49
  5. Step 5: Solve for x
    x = 24,758,149.49/5,287.82
  6. Step 6: Final answer
    x = 4,682.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.