Home / 7,136.65-10,706.60-3,849.67

Finding the Fourth Proportional to 7,136.65, 10,706.60 and 3,849.67

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Solution

The fourth proportional to 7,136.65, 10,706.60 and 3,849.67 is: 5,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.65 : 10,706.60 = 3,849.67 : x
  2. Step 2: Convert to fraction form
    7,136.65/10,706.60 = 3,849.67/x
  3. Step 3: Cross multiply
    7,136.65x = 10,706.60 × 3,849.67
  4. Step 4: Simplify right side
    7,136.65x = 41,216,876.82
  5. Step 5: Solve for x
    x = 41,216,876.82/7,136.65
  6. Step 6: Final answer
    x = 5,775.38

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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.