Home / 4,399.58-6,605.52-4,198.64

Finding the Fourth Proportional to 4,399.58, 6,605.52 and 4,198.64

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Solution

The fourth proportional to 4,399.58, 6,605.52 and 4,198.64 is: 6,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.58 : 6,605.52 = 4,198.64 : x
  2. Step 2: Convert to fraction form
    4,399.58/6,605.52 = 4,198.64/x
  3. Step 3: Cross multiply
    4,399.58x = 6,605.52 × 4,198.64
  4. Step 4: Simplify right side
    4,399.58x = 27,734,151.72
  5. Step 5: Solve for x
    x = 27,734,151.72/4,399.58
  6. Step 6: Final answer
    x = 6,303.81

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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.