Home / 8,028.80-12,040.21-2,762.34

Finding the Fourth Proportional to 8,028.80, 12,040.21 and 2,762.34

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Solution

The fourth proportional to 8,028.80, 12,040.21 and 2,762.34 is: 4,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.80 : 12,040.21 = 2,762.34 : x
  2. Step 2: Convert to fraction form
    8,028.80/12,040.21 = 2,762.34/x
  3. Step 3: Cross multiply
    8,028.80x = 12,040.21 × 2,762.34
  4. Step 4: Simplify right side
    8,028.80x = 33,259,157.14
  5. Step 5: Solve for x
    x = 33,259,157.14/8,028.80
  6. Step 6: Final answer
    x = 4,142.48

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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.