Home / 6,822.80-10,212.60-3,695

Finding the Fourth Proportional to 6,822.80, 10,212.60 and 3,695

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Solution

The fourth proportional to 6,822.80, 10,212.60 and 3,695 is: 5,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.80 : 10,212.60 = 3,695 : x
  2. Step 2: Convert to fraction form
    6,822.80/10,212.60 = 3,695/x
  3. Step 3: Cross multiply
    6,822.80x = 10,212.60 × 3,695
  4. Step 4: Simplify right side
    6,822.80x = 37,735,557
  5. Step 5: Solve for x
    x = 37,735,557/6,822.80
  6. Step 6: Final answer
    x = 5,530.80

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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.