Home / 8,949.87-13,424.81-3,108.15

Finding the Fourth Proportional to 8,949.87, 13,424.81 and 3,108.15

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Solution

The fourth proportional to 8,949.87, 13,424.81 and 3,108.15 is: 4,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.87 : 13,424.81 = 3,108.15 : x
  2. Step 2: Convert to fraction form
    8,949.87/13,424.81 = 3,108.15/x
  3. Step 3: Cross multiply
    8,949.87x = 13,424.81 × 3,108.15
  4. Step 4: Simplify right side
    8,949.87x = 41,726,307.66
  5. Step 5: Solve for x
    x = 41,726,307.66/8,949.87
  6. Step 6: Final answer
    x = 4,662.23

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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.