Home / 8,028.61-12,039.80-2,762.62

Finding the Fourth Proportional to 8,028.61, 12,039.80 and 2,762.62

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Solution

The fourth proportional to 8,028.61, 12,039.80 and 2,762.62 is: 4,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.61 : 12,039.80 = 2,762.62 : x
  2. Step 2: Convert to fraction form
    8,028.61/12,039.80 = 2,762.62/x
  3. Step 3: Cross multiply
    8,028.61x = 12,039.80 × 2,762.62
  4. Step 4: Simplify right side
    8,028.61x = 33,261,392.28
  5. Step 5: Solve for x
    x = 33,261,392.28/8,028.61
  6. Step 6: Final answer
    x = 4,142.86

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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.