Home / 8,198.43-12,298.99-2,653.17

Finding the Fourth Proportional to 8,198.43, 12,298.99 and 2,653.17

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Solution

The fourth proportional to 8,198.43, 12,298.99 and 2,653.17 is: 3,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.43 : 12,298.99 = 2,653.17 : x
  2. Step 2: Convert to fraction form
    8,198.43/12,298.99 = 2,653.17/x
  3. Step 3: Cross multiply
    8,198.43x = 12,298.99 × 2,653.17
  4. Step 4: Simplify right side
    8,198.43x = 32,631,311.30
  5. Step 5: Solve for x
    x = 32,631,311.30/8,198.43
  6. Step 6: Final answer
    x = 3,980.19

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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.