Home / 5,466.80-8,198.76-2,179.64

Finding the Fourth Proportional to 5,466.80, 8,198.76 and 2,179.64

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Solution

The fourth proportional to 5,466.80, 8,198.76 and 2,179.64 is: 3,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.80 : 8,198.76 = 2,179.64 : x
  2. Step 2: Convert to fraction form
    5,466.80/8,198.76 = 2,179.64/x
  3. Step 3: Cross multiply
    5,466.80x = 8,198.76 × 2,179.64
  4. Step 4: Simplify right side
    5,466.80x = 17,870,345.25
  5. Step 5: Solve for x
    x = 17,870,345.25/5,466.80
  6. Step 6: Final answer
    x = 3,268.89

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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.