Home / 6,382.35-8,809.83-4,399.47

Finding the Fourth Proportional to 6,382.35, 8,809.83 and 4,399.47

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Solution

The fourth proportional to 6,382.35, 8,809.83 and 4,399.47 is: 6,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.35 : 8,809.83 = 4,399.47 : x
  2. Step 2: Convert to fraction form
    6,382.35/8,809.83 = 4,399.47/x
  3. Step 3: Cross multiply
    6,382.35x = 8,809.83 × 4,399.47
  4. Step 4: Simplify right side
    6,382.35x = 38,758,582.79
  5. Step 5: Solve for x
    x = 38,758,582.79/6,382.35
  6. Step 6: Final answer
    x = 6,072.78

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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.