Home / 6,845.85-9,446.63-4,192.83

Finding the Fourth Proportional to 6,845.85, 9,446.63 and 4,192.83

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Solution

The fourth proportional to 6,845.85, 9,446.63 and 4,192.83 is: 5,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.85 : 9,446.63 = 4,192.83 : x
  2. Step 2: Convert to fraction form
    6,845.85/9,446.63 = 4,192.83/x
  3. Step 3: Cross multiply
    6,845.85x = 9,446.63 × 4,192.83
  4. Step 4: Simplify right side
    6,845.85x = 39,608,092.70
  5. Step 5: Solve for x
    x = 39,608,092.70/6,845.85
  6. Step 6: Final answer
    x = 5,785.71

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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.