Home / 9,136.94-13,711.89-3,293.60

Finding the Fourth Proportional to 9,136.94, 13,711.89 and 3,293.60

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Solution

The fourth proportional to 9,136.94, 13,711.89 and 3,293.60 is: 4,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.94 : 13,711.89 = 3,293.60 : x
  2. Step 2: Convert to fraction form
    9,136.94/13,711.89 = 3,293.60/x
  3. Step 3: Cross multiply
    9,136.94x = 13,711.89 × 3,293.60
  4. Step 4: Simplify right side
    9,136.94x = 45,161,480.90
  5. Step 5: Solve for x
    x = 45,161,480.90/9,136.94
  6. Step 6: Final answer
    x = 4,942.74

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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.