Home / 8,106.57-12,133.43-4,399.61

Finding the Fourth Proportional to 8,106.57, 12,133.43 and 4,399.61

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Solution

The fourth proportional to 8,106.57, 12,133.43 and 4,399.61 is: 6,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.57 : 12,133.43 = 4,399.61 : x
  2. Step 2: Convert to fraction form
    8,106.57/12,133.43 = 4,399.61/x
  3. Step 3: Cross multiply
    8,106.57x = 12,133.43 × 4,399.61
  4. Step 4: Simplify right side
    8,106.57x = 53,382,293.80
  5. Step 5: Solve for x
    x = 53,382,293.80/8,106.57
  6. Step 6: Final answer
    x = 6,585.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.