Home / 8,310.69-12,465.97-2,070.66

Finding the Fourth Proportional to 8,310.69, 12,465.97 and 2,070.66

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Solution

The fourth proportional to 8,310.69, 12,465.97 and 2,070.66 is: 3,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.69 : 12,465.97 = 2,070.66 : x
  2. Step 2: Convert to fraction form
    8,310.69/12,465.97 = 2,070.66/x
  3. Step 3: Cross multiply
    8,310.69x = 12,465.97 × 2,070.66
  4. Step 4: Simplify right side
    8,310.69x = 25,812,785.44
  5. Step 5: Solve for x
    x = 25,812,785.44/8,310.69
  6. Step 6: Final answer
    x = 3,105.97

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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.