Home / 5,311.82-7,967.72-2,530.05

Finding the Fourth Proportional to 5,311.82, 7,967.72 and 2,530.05

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Solution

The fourth proportional to 5,311.82, 7,967.72 and 2,530.05 is: 3,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.82 : 7,967.72 = 2,530.05 : x
  2. Step 2: Convert to fraction form
    5,311.82/7,967.72 = 2,530.05/x
  3. Step 3: Cross multiply
    5,311.82x = 7,967.72 × 2,530.05
  4. Step 4: Simplify right side
    5,311.82x = 20,158,729.99
  5. Step 5: Solve for x
    x = 20,158,729.99/5,311.82
  6. Step 6: Final answer
    x = 3,795.07

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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.