Home / 4,261.10-6,391.65-3,167.60

Finding the Fourth Proportional to 4,261.10, 6,391.65 and 3,167.60

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Solution

The fourth proportional to 4,261.10, 6,391.65 and 3,167.60 is: 4,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.10 : 6,391.65 = 3,167.60 : x
  2. Step 2: Convert to fraction form
    4,261.10/6,391.65 = 3,167.60/x
  3. Step 3: Cross multiply
    4,261.10x = 6,391.65 × 3,167.60
  4. Step 4: Simplify right side
    4,261.10x = 20,246,190.54
  5. Step 5: Solve for x
    x = 20,246,190.54/4,261.10
  6. Step 6: Final answer
    x = 4,751.40

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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.