Home / 5,351.45-7,383.93-3,112.97

Finding the Fourth Proportional to 5,351.45, 7,383.93 and 3,112.97

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Solution

The fourth proportional to 5,351.45, 7,383.93 and 3,112.97 is: 4,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.45 : 7,383.93 = 3,112.97 : x
  2. Step 2: Convert to fraction form
    5,351.45/7,383.93 = 3,112.97/x
  3. Step 3: Cross multiply
    5,351.45x = 7,383.93 × 3,112.97
  4. Step 4: Simplify right side
    5,351.45x = 22,985,952.57
  5. Step 5: Solve for x
    x = 22,985,952.57/5,351.45
  6. Step 6: Final answer
    x = 4,295.28

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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.