Home / 8,163.33-12,243.26-2,615.19

Finding the Fourth Proportional to 8,163.33, 12,243.26 and 2,615.19

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Solution

The fourth proportional to 8,163.33, 12,243.26 and 2,615.19 is: 3,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.33 : 12,243.26 = 2,615.19 : x
  2. Step 2: Convert to fraction form
    8,163.33/12,243.26 = 2,615.19/x
  3. Step 3: Cross multiply
    8,163.33x = 12,243.26 × 2,615.19
  4. Step 4: Simplify right side
    8,163.33x = 32,018,397.03
  5. Step 5: Solve for x
    x = 32,018,397.03/8,163.33
  6. Step 6: Final answer
    x = 3,922.22

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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.