Home / 7,380.39-11,058.82-5,163.42

Finding the Fourth Proportional to 7,380.39, 11,058.82 and 5,163.42

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Solution

The fourth proportional to 7,380.39, 11,058.82 and 5,163.42 is: 7,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.39 : 11,058.82 = 5,163.42 : x
  2. Step 2: Convert to fraction form
    7,380.39/11,058.82 = 5,163.42/x
  3. Step 3: Cross multiply
    7,380.39x = 11,058.82 × 5,163.42
  4. Step 4: Simplify right side
    7,380.39x = 57,101,332.36
  5. Step 5: Solve for x
    x = 57,101,332.36/7,380.39
  6. Step 6: Final answer
    x = 7,736.90

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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.