Home / 8,158.35-12,231.53-2,608.49

Finding the Fourth Proportional to 8,158.35, 12,231.53 and 2,608.49

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Solution

The fourth proportional to 8,158.35, 12,231.53 and 2,608.49 is: 3,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.35 : 12,231.53 = 2,608.49 : x
  2. Step 2: Convert to fraction form
    8,158.35/12,231.53 = 2,608.49/x
  3. Step 3: Cross multiply
    8,158.35x = 12,231.53 × 2,608.49
  4. Step 4: Simplify right side
    8,158.35x = 31,905,823.69
  5. Step 5: Solve for x
    x = 31,905,823.69/8,158.35
  6. Step 6: Final answer
    x = 3,910.82

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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.