Home / 5,144.64-7,711.08-3,198.16

Finding the Fourth Proportional to 5,144.64, 7,711.08 and 3,198.16

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Solution

The fourth proportional to 5,144.64, 7,711.08 and 3,198.16 is: 4,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.64 : 7,711.08 = 3,198.16 : x
  2. Step 2: Convert to fraction form
    5,144.64/7,711.08 = 3,198.16/x
  3. Step 3: Cross multiply
    5,144.64x = 7,711.08 × 3,198.16
  4. Step 4: Simplify right side
    5,144.64x = 24,661,267.61
  5. Step 5: Solve for x
    x = 24,661,267.61/5,144.64
  6. Step 6: Final answer
    x = 4,793.58

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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.