Home / 7,136.07-10,704.09-1,941.93

Finding the Fourth Proportional to 7,136.07, 10,704.09 and 1,941.93

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Solution

The fourth proportional to 7,136.07, 10,704.09 and 1,941.93 is: 2,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.07 : 10,704.09 = 1,941.93 : x
  2. Step 2: Convert to fraction form
    7,136.07/10,704.09 = 1,941.93/x
  3. Step 3: Cross multiply
    7,136.07x = 10,704.09 × 1,941.93
  4. Step 4: Simplify right side
    7,136.07x = 20,786,593.49
  5. Step 5: Solve for x
    x = 20,786,593.49/7,136.07
  6. Step 6: Final answer
    x = 2,912.89

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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.