Home / 6,861.92-9,471.20-4,382.24

Finding the Fourth Proportional to 6,861.92, 9,471.20 and 4,382.24

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Solution

The fourth proportional to 6,861.92, 9,471.20 and 4,382.24 is: 6,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.92 : 9,471.20 = 4,382.24 : x
  2. Step 2: Convert to fraction form
    6,861.92/9,471.20 = 4,382.24/x
  3. Step 3: Cross multiply
    6,861.92x = 9,471.20 × 4,382.24
  4. Step 4: Simplify right side
    6,861.92x = 41,505,071.49
  5. Step 5: Solve for x
    x = 41,505,071.49/6,861.92
  6. Step 6: Final answer
    x = 6,048.61

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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.