Home / 9,287.21-13,929.32-2,711.85

Finding the Fourth Proportional to 9,287.21, 13,929.32 and 2,711.85

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Solution

The fourth proportional to 9,287.21, 13,929.32 and 2,711.85 is: 4,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.21 : 13,929.32 = 2,711.85 : x
  2. Step 2: Convert to fraction form
    9,287.21/13,929.32 = 2,711.85/x
  3. Step 3: Cross multiply
    9,287.21x = 13,929.32 × 2,711.85
  4. Step 4: Simplify right side
    9,287.21x = 37,774,212.88
  5. Step 5: Solve for x
    x = 37,774,212.88/9,287.21
  6. Step 6: Final answer
    x = 4,067.34

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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.