Home / 6,530.13-9,795.78-2,147.49

Finding the Fourth Proportional to 6,530.13, 9,795.78 and 2,147.49

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Solution

The fourth proportional to 6,530.13, 9,795.78 and 2,147.49 is: 3,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.13 : 9,795.78 = 2,147.49 : x
  2. Step 2: Convert to fraction form
    6,530.13/9,795.78 = 2,147.49/x
  3. Step 3: Cross multiply
    6,530.13x = 9,795.78 × 2,147.49
  4. Step 4: Simplify right side
    6,530.13x = 21,036,339.59
  5. Step 5: Solve for x
    x = 21,036,339.59/6,530.13
  6. Step 6: Final answer
    x = 3,221.43

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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.