Home / 6,271.26-9,403.55-2,109.89

Finding the Fourth Proportional to 6,271.26, 9,403.55 and 2,109.89

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Solution

The fourth proportional to 6,271.26, 9,403.55 and 2,109.89 is: 3,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.26 : 9,403.55 = 2,109.89 : x
  2. Step 2: Convert to fraction form
    6,271.26/9,403.55 = 2,109.89/x
  3. Step 3: Cross multiply
    6,271.26x = 9,403.55 × 2,109.89
  4. Step 4: Simplify right side
    6,271.26x = 19,840,456.11
  5. Step 5: Solve for x
    x = 19,840,456.11/6,271.26
  6. Step 6: Final answer
    x = 3,163.71

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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.