Home / 8,156.54-12,234.20-2,608.24

Finding the Fourth Proportional to 8,156.54, 12,234.20 and 2,608.24

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Solution

The fourth proportional to 8,156.54, 12,234.20 and 2,608.24 is: 3,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.54 : 12,234.20 = 2,608.24 : x
  2. Step 2: Convert to fraction form
    8,156.54/12,234.20 = 2,608.24/x
  3. Step 3: Cross multiply
    8,156.54x = 12,234.20 × 2,608.24
  4. Step 4: Simplify right side
    8,156.54x = 31,909,729.81
  5. Step 5: Solve for x
    x = 31,909,729.81/8,156.54
  6. Step 6: Final answer
    x = 3,912.16

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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.