Home / 5,310.22-7,957.80-3,912.58

Finding the Fourth Proportional to 5,310.22, 7,957.80 and 3,912.58

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Solution

The fourth proportional to 5,310.22, 7,957.80 and 3,912.58 is: 5,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.22 : 7,957.80 = 3,912.58 : x
  2. Step 2: Convert to fraction form
    5,310.22/7,957.80 = 3,912.58/x
  3. Step 3: Cross multiply
    5,310.22x = 7,957.80 × 3,912.58
  4. Step 4: Simplify right side
    5,310.22x = 31,135,529.12
  5. Step 5: Solve for x
    x = 31,135,529.12/5,310.22
  6. Step 6: Final answer
    x = 5,863.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.