Home / 8,318.26-12,480.33-5,194.65

Finding the Fourth Proportional to 8,318.26, 12,480.33 and 5,194.65

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Solution

The fourth proportional to 8,318.26, 12,480.33 and 5,194.65 is: 7,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.26 : 12,480.33 = 5,194.65 : x
  2. Step 2: Convert to fraction form
    8,318.26/12,480.33 = 5,194.65/x
  3. Step 3: Cross multiply
    8,318.26x = 12,480.33 × 5,194.65
  4. Step 4: Simplify right side
    8,318.26x = 64,830,946.23
  5. Step 5: Solve for x
    x = 64,830,946.23/8,318.26
  6. Step 6: Final answer
    x = 7,793.81

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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.