Home / 6,812.25-10,222.40-3,692.18

Finding the Fourth Proportional to 6,812.25, 10,222.40 and 3,692.18

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Solution

The fourth proportional to 6,812.25, 10,222.40 and 3,692.18 is: 5,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.25 : 10,222.40 = 3,692.18 : x
  2. Step 2: Convert to fraction form
    6,812.25/10,222.40 = 3,692.18/x
  3. Step 3: Cross multiply
    6,812.25x = 10,222.40 × 3,692.18
  4. Step 4: Simplify right side
    6,812.25x = 37,742,975.62
  5. Step 5: Solve for x
    x = 37,742,975.62/6,812.25
  6. Step 6: Final answer
    x = 5,540.46

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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.