Home / 6,664.96-9,198.08-3,680.84

Finding the Fourth Proportional to 6,664.96, 9,198.08 and 3,680.84

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Solution

The fourth proportional to 6,664.96, 9,198.08 and 3,680.84 is: 5,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.96 : 9,198.08 = 3,680.84 : x
  2. Step 2: Convert to fraction form
    6,664.96/9,198.08 = 3,680.84/x
  3. Step 3: Cross multiply
    6,664.96x = 9,198.08 × 3,680.84
  4. Step 4: Simplify right side
    6,664.96x = 33,856,689.53
  5. Step 5: Solve for x
    x = 33,856,689.53/6,664.96
  6. Step 6: Final answer
    x = 5,079.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.