Home / 6,712.80-9,263.66-3,728.61

Finding the Fourth Proportional to 6,712.80, 9,263.66 and 3,728.61

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Solution

The fourth proportional to 6,712.80, 9,263.66 and 3,728.61 is: 5,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.80 : 9,263.66 = 3,728.61 : x
  2. Step 2: Convert to fraction form
    6,712.80/9,263.66 = 3,728.61/x
  3. Step 3: Cross multiply
    6,712.80x = 9,263.66 × 3,728.61
  4. Step 4: Simplify right side
    6,712.80x = 34,540,556.67
  5. Step 5: Solve for x
    x = 34,540,556.67/6,712.80
  6. Step 6: Final answer
    x = 5,145.48

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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.