Home / 7,136.55-10,705.97-2,205.03

Finding the Fourth Proportional to 7,136.55, 10,705.97 and 2,205.03

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Solution

The fourth proportional to 7,136.55, 10,705.97 and 2,205.03 is: 3,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.55 : 10,705.97 = 2,205.03 : x
  2. Step 2: Convert to fraction form
    7,136.55/10,705.97 = 2,205.03/x
  3. Step 3: Cross multiply
    7,136.55x = 10,705.97 × 2,205.03
  4. Step 4: Simplify right side
    7,136.55x = 23,607,018.29
  5. Step 5: Solve for x
    x = 23,607,018.29/7,136.55
  6. Step 6: Final answer
    x = 3,307.90

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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.