Home / 7,837.79-11,753.97-3,679.76

Finding the Fourth Proportional to 7,837.79, 11,753.97 and 3,679.76

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Solution

The fourth proportional to 7,837.79, 11,753.97 and 3,679.76 is: 5,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.79 : 11,753.97 = 3,679.76 : x
  2. Step 2: Convert to fraction form
    7,837.79/11,753.97 = 3,679.76/x
  3. Step 3: Cross multiply
    7,837.79x = 11,753.97 × 3,679.76
  4. Step 4: Simplify right side
    7,837.79x = 43,251,788.65
  5. Step 5: Solve for x
    x = 43,251,788.65/7,837.79
  6. Step 6: Final answer
    x = 5,518.37

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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.