Home / 6,843.26-9,441.96-4,189.70

Finding the Fourth Proportional to 6,843.26, 9,441.96 and 4,189.70

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Solution

The fourth proportional to 6,843.26, 9,441.96 and 4,189.70 is: 5,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.26 : 9,441.96 = 4,189.70 : x
  2. Step 2: Convert to fraction form
    6,843.26/9,441.96 = 4,189.70/x
  3. Step 3: Cross multiply
    6,843.26x = 9,441.96 × 4,189.70
  4. Step 4: Simplify right side
    6,843.26x = 39,558,979.81
  5. Step 5: Solve for x
    x = 39,558,979.81/6,843.26
  6. Step 6: Final answer
    x = 5,780.72

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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.