Home / 8,021.62-12,021.45-4,513.33

Finding the Fourth Proportional to 8,021.62, 12,021.45 and 4,513.33

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Solution

The fourth proportional to 8,021.62, 12,021.45 and 4,513.33 is: 6,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.62 : 12,021.45 = 4,513.33 : x
  2. Step 2: Convert to fraction form
    8,021.62/12,021.45 = 4,513.33/x
  3. Step 3: Cross multiply
    8,021.62x = 12,021.45 × 4,513.33
  4. Step 4: Simplify right side
    8,021.62x = 54,256,770.93
  5. Step 5: Solve for x
    x = 54,256,770.93/8,021.62
  6. Step 6: Final answer
    x = 6,763.82

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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.