Home / 7,441.64-11,147.57-4,478.44

Finding the Fourth Proportional to 7,441.64, 11,147.57 and 4,478.44

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Solution

The fourth proportional to 7,441.64, 11,147.57 and 4,478.44 is: 6,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.64 : 11,147.57 = 4,478.44 : x
  2. Step 2: Convert to fraction form
    7,441.64/11,147.57 = 4,478.44/x
  3. Step 3: Cross multiply
    7,441.64x = 11,147.57 × 4,478.44
  4. Step 4: Simplify right side
    7,441.64x = 49,923,723.39
  5. Step 5: Solve for x
    x = 49,923,723.39/7,441.64
  6. Step 6: Final answer
    x = 6,708.70

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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.