Home / 5,328.54-7,997.76-2,697.90

Finding the Fourth Proportional to 5,328.54, 7,997.76 and 2,697.90

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Solution

The fourth proportional to 5,328.54, 7,997.76 and 2,697.90 is: 4,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.54 : 7,997.76 = 2,697.90 : x
  2. Step 2: Convert to fraction form
    5,328.54/7,997.76 = 2,697.90/x
  3. Step 3: Cross multiply
    5,328.54x = 7,997.76 × 2,697.90
  4. Step 4: Simplify right side
    5,328.54x = 21,577,156.70
  5. Step 5: Solve for x
    x = 21,577,156.70/5,328.54
  6. Step 6: Final answer
    x = 4,049.36

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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.