Home / 8,929.82-13,395.61-3,308.99

Finding the Fourth Proportional to 8,929.82, 13,395.61 and 3,308.99

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Solution

The fourth proportional to 8,929.82, 13,395.61 and 3,308.99 is: 4,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.82 : 13,395.61 = 3,308.99 : x
  2. Step 2: Convert to fraction form
    8,929.82/13,395.61 = 3,308.99/x
  3. Step 3: Cross multiply
    8,929.82x = 13,395.61 × 3,308.99
  4. Step 4: Simplify right side
    8,929.82x = 44,325,939.53
  5. Step 5: Solve for x
    x = 44,325,939.53/8,929.82
  6. Step 6: Final answer
    x = 4,963.81

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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.