Home / 9,286.20-13,929-2,712.48

Finding the Fourth Proportional to 9,286.20, 13,929 and 2,712.48

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Solution

The fourth proportional to 9,286.20, 13,929 and 2,712.48 is: 4,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.20 : 13,929 = 2,712.48 : x
  2. Step 2: Convert to fraction form
    9,286.20/13,929 = 2,712.48/x
  3. Step 3: Cross multiply
    9,286.20x = 13,929 × 2,712.48
  4. Step 4: Simplify right side
    9,286.20x = 37,782,133.92
  5. Step 5: Solve for x
    x = 37,782,133.92/9,286.20
  6. Step 6: Final answer
    x = 4,068.63

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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.