Home / 8,186.75-12,280.26-2,030.75

Finding the Fourth Proportional to 8,186.75, 12,280.26 and 2,030.75

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Solution

The fourth proportional to 8,186.75, 12,280.26 and 2,030.75 is: 3,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.75 : 12,280.26 = 2,030.75 : x
  2. Step 2: Convert to fraction form
    8,186.75/12,280.26 = 2,030.75/x
  3. Step 3: Cross multiply
    8,186.75x = 12,280.26 × 2,030.75
  4. Step 4: Simplify right side
    8,186.75x = 24,938,138.00
  5. Step 5: Solve for x
    x = 24,938,138.00/8,186.75
  6. Step 6: Final answer
    x = 3,046.16

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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.