Home / 7,538.94-11,311.83-2,612.16

Finding the Fourth Proportional to 7,538.94, 11,311.83 and 2,612.16

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Solution

The fourth proportional to 7,538.94, 11,311.83 and 2,612.16 is: 3,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.94 : 11,311.83 = 2,612.16 : x
  2. Step 2: Convert to fraction form
    7,538.94/11,311.83 = 2,612.16/x
  3. Step 3: Cross multiply
    7,538.94x = 11,311.83 × 2,612.16
  4. Step 4: Simplify right side
    7,538.94x = 29,548,309.85
  5. Step 5: Solve for x
    x = 29,548,309.85/7,538.94
  6. Step 6: Final answer
    x = 3,919.42

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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.