Home / 8,198.25-12,298.58-2,649.75

Finding the Fourth Proportional to 8,198.25, 12,298.58 and 2,649.75

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Solution

The fourth proportional to 8,198.25, 12,298.58 and 2,649.75 is: 3,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.25 : 12,298.58 = 2,649.75 : x
  2. Step 2: Convert to fraction form
    8,198.25/12,298.58 = 2,649.75/x
  3. Step 3: Cross multiply
    8,198.25x = 12,298.58 × 2,649.75
  4. Step 4: Simplify right side
    8,198.25x = 32,588,162.36
  5. Step 5: Solve for x
    x = 32,588,162.36/8,198.25
  6. Step 6: Final answer
    x = 3,975.01

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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.