Home / 6,865.36-9,474.24-3,721.54

Finding the Fourth Proportional to 6,865.36, 9,474.24 and 3,721.54

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Solution

The fourth proportional to 6,865.36, 9,474.24 and 3,721.54 is: 5,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.36 : 9,474.24 = 3,721.54 : x
  2. Step 2: Convert to fraction form
    6,865.36/9,474.24 = 3,721.54/x
  3. Step 3: Cross multiply
    6,865.36x = 9,474.24 × 3,721.54
  4. Step 4: Simplify right side
    6,865.36x = 35,258,763.13
  5. Step 5: Solve for x
    x = 35,258,763.13/6,865.36
  6. Step 6: Final answer
    x = 5,135.75

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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.