Home / 5,352.35-7,384.97-3,112.88

Finding the Fourth Proportional to 5,352.35, 7,384.97 and 3,112.88

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Solution

The fourth proportional to 5,352.35, 7,384.97 and 3,112.88 is: 4,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.35 : 7,384.97 = 3,112.88 : x
  2. Step 2: Convert to fraction form
    5,352.35/7,384.97 = 3,112.88/x
  3. Step 3: Cross multiply
    5,352.35x = 7,384.97 × 3,112.88
  4. Step 4: Simplify right side
    5,352.35x = 22,988,472.92
  5. Step 5: Solve for x
    x = 22,988,472.92/5,352.35
  6. Step 6: Final answer
    x = 4,295.03

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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.