Home / 7,136.44-10,704.66-1,942.31

Finding the Fourth Proportional to 7,136.44, 10,704.66 and 1,942.31

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Solution

The fourth proportional to 7,136.44, 10,704.66 and 1,942.31 is: 2,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.44 : 10,704.66 = 1,942.31 : x
  2. Step 2: Convert to fraction form
    7,136.44/10,704.66 = 1,942.31/x
  3. Step 3: Cross multiply
    7,136.44x = 10,704.66 × 1,942.31
  4. Step 4: Simplify right side
    7,136.44x = 20,791,758.45
  5. Step 5: Solve for x
    x = 20,791,758.45/7,136.44
  6. Step 6: Final answer
    x = 2,913.47

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Similar ratio
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1.5x scale

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.