Home / 5,350.12-8,019.32-2,753.20

Finding the Fourth Proportional to 5,350.12, 8,019.32 and 2,753.20

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Solution

The fourth proportional to 5,350.12, 8,019.32 and 2,753.20 is: 4,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.12 : 8,019.32 = 2,753.20 : x
  2. Step 2: Convert to fraction form
    5,350.12/8,019.32 = 2,753.20/x
  3. Step 3: Cross multiply
    5,350.12x = 8,019.32 × 2,753.20
  4. Step 4: Simplify right side
    5,350.12x = 22,078,791.82
  5. Step 5: Solve for x
    x = 22,078,791.82/5,350.12
  6. Step 6: Final answer
    x = 4,126.78

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1.5x scale

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.