Home / 6,321.82-9,478.68-2,626.60

Finding the Fourth Proportional to 6,321.82, 9,478.68 and 2,626.60

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Solution

The fourth proportional to 6,321.82, 9,478.68 and 2,626.60 is: 3,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.82 : 9,478.68 = 2,626.60 : x
  2. Step 2: Convert to fraction form
    6,321.82/9,478.68 = 2,626.60/x
  3. Step 3: Cross multiply
    6,321.82x = 9,478.68 × 2,626.60
  4. Step 4: Simplify right side
    6,321.82x = 24,896,700.89
  5. Step 5: Solve for x
    x = 24,896,700.89/6,321.82
  6. Step 6: Final answer
    x = 3,938.22

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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.