Home / 7,982.08-11,970.24-3,365.44

Finding the Fourth Proportional to 7,982.08, 11,970.24 and 3,365.44

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Solution

The fourth proportional to 7,982.08, 11,970.24 and 3,365.44 is: 5,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.08 : 11,970.24 = 3,365.44 : x
  2. Step 2: Convert to fraction form
    7,982.08/11,970.24 = 3,365.44/x
  3. Step 3: Cross multiply
    7,982.08x = 11,970.24 × 3,365.44
  4. Step 4: Simplify right side
    7,982.08x = 40,285,124.51
  5. Step 5: Solve for x
    x = 40,285,124.51/7,982.08
  6. Step 6: Final answer
    x = 5,046.95

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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.