Home / 8,949.56-13,420.53-3,399.84

Finding the Fourth Proportional to 8,949.56, 13,420.53 and 3,399.84

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Solution

The fourth proportional to 8,949.56, 13,420.53 and 3,399.84 is: 5,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.56 : 13,420.53 = 3,399.84 : x
  2. Step 2: Convert to fraction form
    8,949.56/13,420.53 = 3,399.84/x
  3. Step 3: Cross multiply
    8,949.56x = 13,420.53 × 3,399.84
  4. Step 4: Simplify right side
    8,949.56x = 45,627,654.72
  5. Step 5: Solve for x
    x = 45,627,654.72/8,949.56
  6. Step 6: Final answer
    x = 5,098.32

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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.