Home / 6,530.10-9,796.68-2,147.28

Finding the Fourth Proportional to 6,530.10, 9,796.68 and 2,147.28

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Solution

The fourth proportional to 6,530.10, 9,796.68 and 2,147.28 is: 3,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.10 : 9,796.68 = 2,147.28 : x
  2. Step 2: Convert to fraction form
    6,530.10/9,796.68 = 2,147.28/x
  3. Step 3: Cross multiply
    6,530.10x = 9,796.68 × 2,147.28
  4. Step 4: Simplify right side
    6,530.10x = 21,036,215.03
  5. Step 5: Solve for x
    x = 21,036,215.03/6,530.10
  6. Step 6: Final answer
    x = 3,221.42

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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.