Home / 5,101.42-7,656.23-2,636.96

Finding the Fourth Proportional to 5,101.42, 7,656.23 and 2,636.96

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Solution

The fourth proportional to 5,101.42, 7,656.23 and 2,636.96 is: 3,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.42 : 7,656.23 = 2,636.96 : x
  2. Step 2: Convert to fraction form
    5,101.42/7,656.23 = 2,636.96/x
  3. Step 3: Cross multiply
    5,101.42x = 7,656.23 × 2,636.96
  4. Step 4: Simplify right side
    5,101.42x = 20,189,197.99
  5. Step 5: Solve for x
    x = 20,189,197.99/5,101.42
  6. Step 6: Final answer
    x = 3,957.56

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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.