Home / 7,625.12-11,425.92-5,150.24

Finding the Fourth Proportional to 7,625.12, 11,425.92 and 5,150.24

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Solution

The fourth proportional to 7,625.12, 11,425.92 and 5,150.24 is: 7,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.12 : 11,425.92 = 5,150.24 : x
  2. Step 2: Convert to fraction form
    7,625.12/11,425.92 = 5,150.24/x
  3. Step 3: Cross multiply
    7,625.12x = 11,425.92 × 5,150.24
  4. Step 4: Simplify right side
    7,625.12x = 58,846,230.22
  5. Step 5: Solve for x
    x = 58,846,230.22/7,625.12
  6. Step 6: Final answer
    x = 7,717.42

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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.