Home / 8,145.41-12,217.89-2,599.09

Finding the Fourth Proportional to 8,145.41, 12,217.89 and 2,599.09

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Solution

The fourth proportional to 8,145.41, 12,217.89 and 2,599.09 is: 3,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.41 : 12,217.89 = 2,599.09 : x
  2. Step 2: Convert to fraction form
    8,145.41/12,217.89 = 2,599.09/x
  3. Step 3: Cross multiply
    8,145.41x = 12,217.89 × 2,599.09
  4. Step 4: Simplify right side
    8,145.41x = 31,755,374.92
  5. Step 5: Solve for x
    x = 31,755,374.92/8,145.41
  6. Step 6: Final answer
    x = 3,898.56

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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.