Home / 6,530.11-9,795.40-2,147.91

Finding the Fourth Proportional to 6,530.11, 9,795.40 and 2,147.91

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Solution

The fourth proportional to 6,530.11, 9,795.40 and 2,147.91 is: 3,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.11 : 9,795.40 = 2,147.91 : x
  2. Step 2: Convert to fraction form
    6,530.11/9,795.40 = 2,147.91/x
  3. Step 3: Cross multiply
    6,530.11x = 9,795.40 × 2,147.91
  4. Step 4: Simplify right side
    6,530.11x = 21,039,626.87
  5. Step 5: Solve for x
    x = 21,039,626.87/6,530.11
  6. Step 6: Final answer
    x = 3,221.94

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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.