Home / 8,310.43-12,455.24-4,151.60

Finding the Fourth Proportional to 8,310.43, 12,455.24 and 4,151.60

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Solution

The fourth proportional to 8,310.43, 12,455.24 and 4,151.60 is: 6,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.43 : 12,455.24 = 4,151.60 : x
  2. Step 2: Convert to fraction form
    8,310.43/12,455.24 = 4,151.60/x
  3. Step 3: Cross multiply
    8,310.43x = 12,455.24 × 4,151.60
  4. Step 4: Simplify right side
    8,310.43x = 51,709,174.38
  5. Step 5: Solve for x
    x = 51,709,174.38/8,310.43
  6. Step 6: Final answer
    x = 6,222.21

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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.