Home / 8,154.90-12,232.44-2,608.12

Finding the Fourth Proportional to 8,154.90, 12,232.44 and 2,608.12

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Solution

The fourth proportional to 8,154.90, 12,232.44 and 2,608.12 is: 3,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.90 : 12,232.44 = 2,608.12 : x
  2. Step 2: Convert to fraction form
    8,154.90/12,232.44 = 2,608.12/x
  3. Step 3: Cross multiply
    8,154.90x = 12,232.44 × 2,608.12
  4. Step 4: Simplify right side
    8,154.90x = 31,903,671.41
  5. Step 5: Solve for x
    x = 31,903,671.41/8,154.90
  6. Step 6: Final answer
    x = 3,912.21

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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.