Home / 6,865.37-9,474.18-3,721.55

Finding the Fourth Proportional to 6,865.37, 9,474.18 and 3,721.55

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Solution

The fourth proportional to 6,865.37, 9,474.18 and 3,721.55 is: 5,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.37 : 9,474.18 = 3,721.55 : x
  2. Step 2: Convert to fraction form
    6,865.37/9,474.18 = 3,721.55/x
  3. Step 3: Cross multiply
    6,865.37x = 9,474.18 × 3,721.55
  4. Step 4: Simplify right side
    6,865.37x = 35,258,587.21
  5. Step 5: Solve for x
    x = 35,258,587.21/6,865.37
  6. Step 6: Final answer
    x = 5,135.72

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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.