Home / 5,286.16-7,297.36-3,162.64

Finding the Fourth Proportional to 5,286.16, 7,297.36 and 3,162.64

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Solution

The fourth proportional to 5,286.16, 7,297.36 and 3,162.64 is: 4,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.16 : 7,297.36 = 3,162.64 : x
  2. Step 2: Convert to fraction form
    5,286.16/7,297.36 = 3,162.64/x
  3. Step 3: Cross multiply
    5,286.16x = 7,297.36 × 3,162.64
  4. Step 4: Simplify right side
    5,286.16x = 23,078,922.63
  5. Step 5: Solve for x
    x = 23,078,922.63/5,286.16
  6. Step 6: Final answer
    x = 4,365.91

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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.