Home / 6,382.22-8,806.68-3,727.70

Finding the Fourth Proportional to 6,382.22, 8,806.68 and 3,727.70

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Solution

The fourth proportional to 6,382.22, 8,806.68 and 3,727.70 is: 5,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.22 : 8,806.68 = 3,727.70 : x
  2. Step 2: Convert to fraction form
    6,382.22/8,806.68 = 3,727.70/x
  3. Step 3: Cross multiply
    6,382.22x = 8,806.68 × 3,727.70
  4. Step 4: Simplify right side
    6,382.22x = 32,828,661.04
  5. Step 5: Solve for x
    x = 32,828,661.04/6,382.22
  6. Step 6: Final answer
    x = 5,143.77

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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.