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Finding the Fourth Proportional to 6,798.99, 10,198.79 and 2,119.11

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Solution

The fourth proportional to 6,798.99, 10,198.79 and 2,119.11 is: 3,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.99 : 10,198.79 = 2,119.11 : x
  2. Step 2: Convert to fraction form
    6,798.99/10,198.79 = 2,119.11/x
  3. Step 3: Cross multiply
    6,798.99x = 10,198.79 × 2,119.11
  4. Step 4: Simplify right side
    6,798.99x = 21,612,368.39
  5. Step 5: Solve for x
    x = 21,612,368.39/6,798.99
  6. Step 6: Final answer
    x = 3,178.76

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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.