Home / 8,152.67-12,222.09-3,225.78

Finding the Fourth Proportional to 8,152.67, 12,222.09 and 3,225.78

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Solution

The fourth proportional to 8,152.67, 12,222.09 and 3,225.78 is: 4,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.67 : 12,222.09 = 3,225.78 : x
  2. Step 2: Convert to fraction form
    8,152.67/12,222.09 = 3,225.78/x
  3. Step 3: Cross multiply
    8,152.67x = 12,222.09 × 3,225.78
  4. Step 4: Simplify right side
    8,152.67x = 39,425,773.48
  5. Step 5: Solve for x
    x = 39,425,773.48/8,152.67
  6. Step 6: Final answer
    x = 4,835.94

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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.