Home / 6,828.57-10,239.39-2,665.35

Finding the Fourth Proportional to 6,828.57, 10,239.39 and 2,665.35

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Solution

The fourth proportional to 6,828.57, 10,239.39 and 2,665.35 is: 3,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.57 : 10,239.39 = 2,665.35 : x
  2. Step 2: Convert to fraction form
    6,828.57/10,239.39 = 2,665.35/x
  3. Step 3: Cross multiply
    6,828.57x = 10,239.39 × 2,665.35
  4. Step 4: Simplify right side
    6,828.57x = 27,291,558.14
  5. Step 5: Solve for x
    x = 27,291,558.14/6,828.57
  6. Step 6: Final answer
    x = 3,996.67

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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.