Home / 6,399.83-8,834.73-4,512.95

Finding the Fourth Proportional to 6,399.83, 8,834.73 and 4,512.95

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Solution

The fourth proportional to 6,399.83, 8,834.73 and 4,512.95 is: 6,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.83 : 8,834.73 = 4,512.95 : x
  2. Step 2: Convert to fraction form
    6,399.83/8,834.73 = 4,512.95/x
  3. Step 3: Cross multiply
    6,399.83x = 8,834.73 × 4,512.95
  4. Step 4: Simplify right side
    6,399.83x = 39,870,694.75
  5. Step 5: Solve for x
    x = 39,870,694.75/6,399.83
  6. Step 6: Final answer
    x = 6,229.96

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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.