Home / 7,249.37-10,874.28-3,449.20

Finding the Fourth Proportional to 7,249.37, 10,874.28 and 3,449.20

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Solution

The fourth proportional to 7,249.37, 10,874.28 and 3,449.20 is: 5,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.37 : 10,874.28 = 3,449.20 : x
  2. Step 2: Convert to fraction form
    7,249.37/10,874.28 = 3,449.20/x
  3. Step 3: Cross multiply
    7,249.37x = 10,874.28 × 3,449.20
  4. Step 4: Simplify right side
    7,249.37x = 37,507,572.71
  5. Step 5: Solve for x
    x = 37,507,572.71/7,249.37
  6. Step 6: Final answer
    x = 5,173.91

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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.