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Finding the Fourth Proportional to 6,530.07, 9,794.70 and 2,147.70

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Solution

The fourth proportional to 6,530.07, 9,794.70 and 2,147.70 is: 3,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.07 : 9,794.70 = 2,147.70 : x
  2. Step 2: Convert to fraction form
    6,530.07/9,794.70 = 2,147.70/x
  3. Step 3: Cross multiply
    6,530.07x = 9,794.70 × 2,147.70
  4. Step 4: Simplify right side
    6,530.07x = 21,036,077.19
  5. Step 5: Solve for x
    x = 21,036,077.19/6,530.07
  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.