Home / 8,933.81-13,396.85-3,936.07

Finding the Fourth Proportional to 8,933.81, 13,396.85 and 3,936.07

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Solution

The fourth proportional to 8,933.81, 13,396.85 and 3,936.07 is: 5,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.81 : 13,396.85 = 3,936.07 : x
  2. Step 2: Convert to fraction form
    8,933.81/13,396.85 = 3,936.07/x
  3. Step 3: Cross multiply
    8,933.81x = 13,396.85 × 3,936.07
  4. Step 4: Simplify right side
    8,933.81x = 52,730,852.71
  5. Step 5: Solve for x
    x = 52,730,852.71/8,933.81
  6. Step 6: Final answer
    x = 5,902.39

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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.