Home / 8,020.50-11,063.43-5,183.34

Finding the Fourth Proportional to 8,020.50, 11,063.43 and 5,183.34

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Solution

The fourth proportional to 8,020.50, 11,063.43 and 5,183.34 is: 7,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.50 : 11,063.43 = 5,183.34 : x
  2. Step 2: Convert to fraction form
    8,020.50/11,063.43 = 5,183.34/x
  3. Step 3: Cross multiply
    8,020.50x = 11,063.43 × 5,183.34
  4. Step 4: Simplify right side
    8,020.50x = 57,345,519.26
  5. Step 5: Solve for x
    x = 57,345,519.26/8,020.50
  6. Step 6: Final answer
    x = 7,149.87

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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.