Home / 5,137.58-7,091.61-3,957.14

Finding the Fourth Proportional to 5,137.58, 7,091.61 and 3,957.14

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Solution

The fourth proportional to 5,137.58, 7,091.61 and 3,957.14 is: 5,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.58 : 7,091.61 = 3,957.14 : x
  2. Step 2: Convert to fraction form
    5,137.58/7,091.61 = 3,957.14/x
  3. Step 3: Cross multiply
    5,137.58x = 7,091.61 × 3,957.14
  4. Step 4: Simplify right side
    5,137.58x = 28,062,493.60
  5. Step 5: Solve for x
    x = 28,062,493.60/5,137.58
  6. Step 6: Final answer
    x = 5,462.20

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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.