Home / 4,515.42-6,229.44-3,188.64

Finding the Fourth Proportional to 4,515.42, 6,229.44 and 3,188.64

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Solution

The fourth proportional to 4,515.42, 6,229.44 and 3,188.64 is: 4,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.42 : 6,229.44 = 3,188.64 : x
  2. Step 2: Convert to fraction form
    4,515.42/6,229.44 = 3,188.64/x
  3. Step 3: Cross multiply
    4,515.42x = 6,229.44 × 3,188.64
  4. Step 4: Simplify right side
    4,515.42x = 19,863,441.56
  5. Step 5: Solve for x
    x = 19,863,441.56/4,515.42
  6. Step 6: Final answer
    x = 4,399.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.