Home / 8,617.15-12,926.90-3,936.07

Finding the Fourth Proportional to 8,617.15, 12,926.90 and 3,936.07

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Solution

The fourth proportional to 8,617.15, 12,926.90 and 3,936.07 is: 5,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.15 : 12,926.90 = 3,936.07 : x
  2. Step 2: Convert to fraction form
    8,617.15/12,926.90 = 3,936.07/x
  3. Step 3: Cross multiply
    8,617.15x = 12,926.90 × 3,936.07
  4. Step 4: Simplify right side
    8,617.15x = 50,881,183.28
  5. Step 5: Solve for x
    x = 50,881,183.28/8,617.15
  6. Step 6: Final answer
    x = 5,904.64

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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.