Home / 8,028.78-12,040.09-2,762.83

Finding the Fourth Proportional to 8,028.78, 12,040.09 and 2,762.83

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Solution

The fourth proportional to 8,028.78, 12,040.09 and 2,762.83 is: 4,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.78 : 12,040.09 = 2,762.83 : x
  2. Step 2: Convert to fraction form
    8,028.78/12,040.09 = 2,762.83/x
  3. Step 3: Cross multiply
    8,028.78x = 12,040.09 × 2,762.83
  4. Step 4: Simplify right side
    8,028.78x = 33,264,721.85
  5. Step 5: Solve for x
    x = 33,264,721.85/8,028.78
  6. Step 6: Final answer
    x = 4,143.19

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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.