Home / 9,136.98-13,708.80-3,873.42

Finding the Fourth Proportional to 9,136.98, 13,708.80 and 3,873.42

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Solution

The fourth proportional to 9,136.98, 13,708.80 and 3,873.42 is: 5,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.98 : 13,708.80 = 3,873.42 : x
  2. Step 2: Convert to fraction form
    9,136.98/13,708.80 = 3,873.42/x
  3. Step 3: Cross multiply
    9,136.98x = 13,708.80 × 3,873.42
  4. Step 4: Simplify right side
    9,136.98x = 53,099,940.10
  5. Step 5: Solve for x
    x = 53,099,940.10/9,136.98
  6. Step 6: Final answer
    x = 5,811.54

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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.