Home / 4,318.80-6,478.33-1,198.54

Finding the Fourth Proportional to 4,318.80, 6,478.33 and 1,198.54

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Solution

The fourth proportional to 4,318.80, 6,478.33 and 1,198.54 is: 1,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.80 : 6,478.33 = 1,198.54 : x
  2. Step 2: Convert to fraction form
    4,318.80/6,478.33 = 1,198.54/x
  3. Step 3: Cross multiply
    4,318.80x = 6,478.33 × 1,198.54
  4. Step 4: Simplify right side
    4,318.80x = 7,764,537.64
  5. Step 5: Solve for x
    x = 7,764,537.64/4,318.80
  6. Step 6: Final answer
    x = 1,797.85

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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.