Home / 4,078.30-6,122-3,810.60

Finding the Fourth Proportional to 4,078.30, 6,122 and 3,810.60

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Solution

The fourth proportional to 4,078.30, 6,122 and 3,810.60 is: 5,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.30 : 6,122 = 3,810.60 : x
  2. Step 2: Convert to fraction form
    4,078.30/6,122 = 3,810.60/x
  3. Step 3: Cross multiply
    4,078.30x = 6,122 × 3,810.60
  4. Step 4: Simplify right side
    4,078.30x = 23,328,493.20
  5. Step 5: Solve for x
    x = 23,328,493.20/4,078.30
  6. Step 6: Final answer
    x = 5,720.15

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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.