Home / 6,530.89-9,796.57-2,148.69

Finding the Fourth Proportional to 6,530.89, 9,796.57 and 2,148.69

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Solution

The fourth proportional to 6,530.89, 9,796.57 and 2,148.69 is: 3,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.89 : 9,796.57 = 2,148.69 : x
  2. Step 2: Convert to fraction form
    6,530.89/9,796.57 = 2,148.69/x
  3. Step 3: Cross multiply
    6,530.89x = 9,796.57 × 2,148.69
  4. Step 4: Simplify right side
    6,530.89x = 21,049,791.99
  5. Step 5: Solve for x
    x = 21,049,791.99/6,530.89
  6. Step 6: Final answer
    x = 3,223.11

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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.