Home / 6,811.38-10,215.05-2,652.03

Finding the Fourth Proportional to 6,811.38, 10,215.05 and 2,652.03

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Solution

The fourth proportional to 6,811.38, 10,215.05 and 2,652.03 is: 3,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.38 : 10,215.05 = 2,652.03 : x
  2. Step 2: Convert to fraction form
    6,811.38/10,215.05 = 2,652.03/x
  3. Step 3: Cross multiply
    6,811.38x = 10,215.05 × 2,652.03
  4. Step 4: Simplify right side
    6,811.38x = 27,090,605.79
  5. Step 5: Solve for x
    x = 27,090,605.79/6,811.38
  6. Step 6: Final answer
    x = 3,977.26

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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.