Home / 8,129.41-12,193.95-2,583.08

Finding the Fourth Proportional to 8,129.41, 12,193.95 and 2,583.08

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Solution

The fourth proportional to 8,129.41, 12,193.95 and 2,583.08 is: 3,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.41 : 12,193.95 = 2,583.08 : x
  2. Step 2: Convert to fraction form
    8,129.41/12,193.95 = 2,583.08/x
  3. Step 3: Cross multiply
    8,129.41x = 12,193.95 × 2,583.08
  4. Step 4: Simplify right side
    8,129.41x = 31,497,978.85
  5. Step 5: Solve for x
    x = 31,497,978.85/8,129.41
  6. Step 6: Final answer
    x = 3,874.57

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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.