Home / 6,660.91-9,195.38-4,143.84

Finding the Fourth Proportional to 6,660.91, 9,195.38 and 4,143.84

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Solution

The fourth proportional to 6,660.91, 9,195.38 and 4,143.84 is: 5,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.91 : 9,195.38 = 4,143.84 : x
  2. Step 2: Convert to fraction form
    6,660.91/9,195.38 = 4,143.84/x
  3. Step 3: Cross multiply
    6,660.91x = 9,195.38 × 4,143.84
  4. Step 4: Simplify right side
    6,660.91x = 38,104,170.83
  5. Step 5: Solve for x
    x = 38,104,170.83/6,660.91
  6. Step 6: Final answer
    x = 5,720.57

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Half scale
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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.