Home / 8,156.46-12,233.90-2,608.32

Finding the Fourth Proportional to 8,156.46, 12,233.90 and 2,608.32

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Solution

The fourth proportional to 8,156.46, 12,233.90 and 2,608.32 is: 3,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.46 : 12,233.90 = 2,608.32 : x
  2. Step 2: Convert to fraction form
    8,156.46/12,233.90 = 2,608.32/x
  3. Step 3: Cross multiply
    8,156.46x = 12,233.90 × 2,608.32
  4. Step 4: Simplify right side
    8,156.46x = 31,909,886.69
  5. Step 5: Solve for x
    x = 31,909,886.69/8,156.46
  6. Step 6: Final answer
    x = 3,912.22

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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.