Home / 7,489.42-11,227.16-3,327.24

Finding the Fourth Proportional to 7,489.42, 11,227.16 and 3,327.24

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Solution

The fourth proportional to 7,489.42, 11,227.16 and 3,327.24 is: 4,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.42 : 11,227.16 = 3,327.24 : x
  2. Step 2: Convert to fraction form
    7,489.42/11,227.16 = 3,327.24/x
  3. Step 3: Cross multiply
    7,489.42x = 11,227.16 × 3,327.24
  4. Step 4: Simplify right side
    7,489.42x = 37,355,455.84
  5. Step 5: Solve for x
    x = 37,355,455.84/7,489.42
  6. Step 6: Final answer
    x = 4,987.76

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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.