Home / 5,173.68-7,757.84-2,540.01

Finding the Fourth Proportional to 5,173.68, 7,757.84 and 2,540.01

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Solution

The fourth proportional to 5,173.68, 7,757.84 and 2,540.01 is: 3,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.68 : 7,757.84 = 2,540.01 : x
  2. Step 2: Convert to fraction form
    5,173.68/7,757.84 = 2,540.01/x
  3. Step 3: Cross multiply
    5,173.68x = 7,757.84 × 2,540.01
  4. Step 4: Simplify right side
    5,173.68x = 19,704,997.53
  5. Step 5: Solve for x
    x = 19,704,997.53/5,173.68
  6. Step 6: Final answer
    x = 3,808.70

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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.