Home / 8,185.31-12,277.97-3,800.38

Finding the Fourth Proportional to 8,185.31, 12,277.97 and 3,800.38

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Solution

The fourth proportional to 8,185.31, 12,277.97 and 3,800.38 is: 5,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.31 : 12,277.97 = 3,800.38 : x
  2. Step 2: Convert to fraction form
    8,185.31/12,277.97 = 3,800.38/x
  3. Step 3: Cross multiply
    8,185.31x = 12,277.97 × 3,800.38
  4. Step 4: Simplify right side
    8,185.31x = 46,660,951.63
  5. Step 5: Solve for x
    x = 46,660,951.63/8,185.31
  6. Step 6: Final answer
    x = 5,700.57

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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.