Home / 7,550.82-11,322.05-3,107.30

Finding the Fourth Proportional to 7,550.82, 11,322.05 and 3,107.30

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Solution

The fourth proportional to 7,550.82, 11,322.05 and 3,107.30 is: 4,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.82 : 11,322.05 = 3,107.30 : x
  2. Step 2: Convert to fraction form
    7,550.82/11,322.05 = 3,107.30/x
  3. Step 3: Cross multiply
    7,550.82x = 11,322.05 × 3,107.30
  4. Step 4: Simplify right side
    7,550.82x = 35,180,933.82
  5. Step 5: Solve for x
    x = 35,180,933.82/7,550.82
  6. Step 6: Final answer
    x = 4,659.22

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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.