Home / 8,399.94-11,591.62-4,622.75

Finding the Fourth Proportional to 8,399.94, 11,591.62 and 4,622.75

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Solution

The fourth proportional to 8,399.94, 11,591.62 and 4,622.75 is: 6,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.94 : 11,591.62 = 4,622.75 : x
  2. Step 2: Convert to fraction form
    8,399.94/11,591.62 = 4,622.75/x
  3. Step 3: Cross multiply
    8,399.94x = 11,591.62 × 4,622.75
  4. Step 4: Simplify right side
    8,399.94x = 53,585,161.36
  5. Step 5: Solve for x
    x = 53,585,161.36/8,399.94
  6. Step 6: Final answer
    x = 6,379.23

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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.