Home / 8,908.97-13,351.89-3,637.81

Finding the Fourth Proportional to 8,908.97, 13,351.89 and 3,637.81

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Solution

The fourth proportional to 8,908.97, 13,351.89 and 3,637.81 is: 5,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.97 : 13,351.89 = 3,637.81 : x
  2. Step 2: Convert to fraction form
    8,908.97/13,351.89 = 3,637.81/x
  3. Step 3: Cross multiply
    8,908.97x = 13,351.89 × 3,637.81
  4. Step 4: Simplify right side
    8,908.97x = 48,571,638.96
  5. Step 5: Solve for x
    x = 48,571,638.96/8,908.97
  6. Step 6: Final answer
    x = 5,451.99

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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.