Home / 5,485.84-8,226.92-2,198.08

Finding the Fourth Proportional to 5,485.84, 8,226.92 and 2,198.08

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Solution

The fourth proportional to 5,485.84, 8,226.92 and 2,198.08 is: 3,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.84 : 8,226.92 = 2,198.08 : x
  2. Step 2: Convert to fraction form
    5,485.84/8,226.92 = 2,198.08/x
  3. Step 3: Cross multiply
    5,485.84x = 8,226.92 × 2,198.08
  4. Step 4: Simplify right side
    5,485.84x = 18,083,428.31
  5. Step 5: Solve for x
    x = 18,083,428.31/5,485.84
  6. Step 6: Final answer
    x = 3,296.38

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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.