Home / 7,131.09-10,697.91-2,449.89

Finding the Fourth Proportional to 7,131.09, 10,697.91 and 2,449.89

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Solution

The fourth proportional to 7,131.09, 10,697.91 and 2,449.89 is: 3,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.09 : 10,697.91 = 2,449.89 : x
  2. Step 2: Convert to fraction form
    7,131.09/10,697.91 = 2,449.89/x
  3. Step 3: Cross multiply
    7,131.09x = 10,697.91 × 2,449.89
  4. Step 4: Simplify right side
    7,131.09x = 26,208,702.73
  5. Step 5: Solve for x
    x = 26,208,702.73/7,131.09
  6. Step 6: Final answer
    x = 3,675.27

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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.