Home / 8,020.81-12,028.22-2,754.33

Finding the Fourth Proportional to 8,020.81, 12,028.22 and 2,754.33

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Solution

The fourth proportional to 8,020.81, 12,028.22 and 2,754.33 is: 4,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.81 : 12,028.22 = 2,754.33 : x
  2. Step 2: Convert to fraction form
    8,020.81/12,028.22 = 2,754.33/x
  3. Step 3: Cross multiply
    8,020.81x = 12,028.22 × 2,754.33
  4. Step 4: Simplify right side
    8,020.81x = 33,129,613.28
  5. Step 5: Solve for x
    x = 33,129,613.28/8,020.81
  6. Step 6: Final answer
    x = 4,130.46

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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.