Home / 8,369.80-12,553.82-3,439.96

Finding the Fourth Proportional to 8,369.80, 12,553.82 and 3,439.96

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Solution

The fourth proportional to 8,369.80, 12,553.82 and 3,439.96 is: 5,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.80 : 12,553.82 = 3,439.96 : x
  2. Step 2: Convert to fraction form
    8,369.80/12,553.82 = 3,439.96/x
  3. Step 3: Cross multiply
    8,369.80x = 12,553.82 × 3,439.96
  4. Step 4: Simplify right side
    8,369.80x = 43,184,638.65
  5. Step 5: Solve for x
    x = 43,184,638.65/8,369.80
  6. Step 6: Final answer
    x = 5,159.58

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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.