Home / 7,149.32-10,723.48-2,218.56

Finding the Fourth Proportional to 7,149.32, 10,723.48 and 2,218.56

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Solution

The fourth proportional to 7,149.32, 10,723.48 and 2,218.56 is: 3,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.32 : 10,723.48 = 2,218.56 : x
  2. Step 2: Convert to fraction form
    7,149.32/10,723.48 = 2,218.56/x
  3. Step 3: Cross multiply
    7,149.32x = 10,723.48 × 2,218.56
  4. Step 4: Simplify right side
    7,149.32x = 23,790,683.79
  5. Step 5: Solve for x
    x = 23,790,683.79/7,149.32
  6. Step 6: Final answer
    x = 3,327.68

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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.