Home / 7,144.24-10,712.28-3,443.44

Finding the Fourth Proportional to 7,144.24, 10,712.28 and 3,443.44

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Solution

The fourth proportional to 7,144.24, 10,712.28 and 3,443.44 is: 5,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.24 : 10,712.28 = 3,443.44 : x
  2. Step 2: Convert to fraction form
    7,144.24/10,712.28 = 3,443.44/x
  3. Step 3: Cross multiply
    7,144.24x = 10,712.28 × 3,443.44
  4. Step 4: Simplify right side
    7,144.24x = 36,887,093.44
  5. Step 5: Solve for x
    x = 36,887,093.44/7,144.24
  6. Step 6: Final answer
    x = 5,163.19

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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.