Home / 6,906.12-9,531.66-4,073.28

Finding the Fourth Proportional to 6,906.12, 9,531.66 and 4,073.28

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Solution

The fourth proportional to 6,906.12, 9,531.66 and 4,073.28 is: 5,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.12 : 9,531.66 = 4,073.28 : x
  2. Step 2: Convert to fraction form
    6,906.12/9,531.66 = 4,073.28/x
  3. Step 3: Cross multiply
    6,906.12x = 9,531.66 × 4,073.28
  4. Step 4: Simplify right side
    6,906.12x = 38,825,120.04
  5. Step 5: Solve for x
    x = 38,825,120.04/6,906.12
  6. Step 6: Final answer
    x = 5,621.84

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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.