Home / 8,158.94-12,234.62-2,611.04

Finding the Fourth Proportional to 8,158.94, 12,234.62 and 2,611.04

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Solution

The fourth proportional to 8,158.94, 12,234.62 and 2,611.04 is: 3,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.94 : 12,234.62 = 2,611.04 : x
  2. Step 2: Convert to fraction form
    8,158.94/12,234.62 = 2,611.04/x
  3. Step 3: Cross multiply
    8,158.94x = 12,234.62 × 2,611.04
  4. Step 4: Simplify right side
    8,158.94x = 31,945,119.32
  5. Step 5: Solve for x
    x = 31,945,119.32/8,158.94
  6. Step 6: Final answer
    x = 3,915.35

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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.