Home / 8,626.24-12,936.64-5,719.96

Finding the Fourth Proportional to 8,626.24, 12,936.64 and 5,719.96

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Solution

The fourth proportional to 8,626.24, 12,936.64 and 5,719.96 is: 8,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.24 : 12,936.64 = 5,719.96 : x
  2. Step 2: Convert to fraction form
    8,626.24/12,936.64 = 5,719.96/x
  3. Step 3: Cross multiply
    8,626.24x = 12,936.64 × 5,719.96
  4. Step 4: Simplify right side
    8,626.24x = 73,997,063.33
  5. Step 5: Solve for x
    x = 73,997,063.33/8,626.24
  6. Step 6: Final answer
    x = 8,578.14

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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.