Home / 8,146.15-12,211.42-2,596.43

Finding the Fourth Proportional to 8,146.15, 12,211.42 and 2,596.43

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Solution

The fourth proportional to 8,146.15, 12,211.42 and 2,596.43 is: 3,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.15 : 12,211.42 = 2,596.43 : x
  2. Step 2: Convert to fraction form
    8,146.15/12,211.42 = 2,596.43/x
  3. Step 3: Cross multiply
    8,146.15x = 12,211.42 × 2,596.43
  4. Step 4: Simplify right side
    8,146.15x = 31,706,121.27
  5. Step 5: Solve for x
    x = 31,706,121.27/8,146.15
  6. Step 6: Final answer
    x = 3,892.16

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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.