Home / 6,798.87-10,198.58-2,118.96

Finding the Fourth Proportional to 6,798.87, 10,198.58 and 2,118.96

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Solution

The fourth proportional to 6,798.87, 10,198.58 and 2,118.96 is: 3,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.87 : 10,198.58 = 2,118.96 : x
  2. Step 2: Convert to fraction form
    6,798.87/10,198.58 = 2,118.96/x
  3. Step 3: Cross multiply
    6,798.87x = 10,198.58 × 2,118.96
  4. Step 4: Simplify right side
    6,798.87x = 21,610,372.48
  5. Step 5: Solve for x
    x = 21,610,372.48/6,798.87
  6. Step 6: Final answer
    x = 3,178.52

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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.