Home / 7,136.15-10,704.24-3,850.79

Finding the Fourth Proportional to 7,136.15, 10,704.24 and 3,850.79

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Solution

The fourth proportional to 7,136.15, 10,704.24 and 3,850.79 is: 5,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.15 : 10,704.24 = 3,850.79 : x
  2. Step 2: Convert to fraction form
    7,136.15/10,704.24 = 3,850.79/x
  3. Step 3: Cross multiply
    7,136.15x = 10,704.24 × 3,850.79
  4. Step 4: Simplify right side
    7,136.15x = 41,219,780.35
  5. Step 5: Solve for x
    x = 41,219,780.35/7,136.15
  6. Step 6: Final answer
    x = 5,776.19

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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.