Home / 4,261.10-6,379.80-2,176.60

Finding the Fourth Proportional to 4,261.10, 6,379.80 and 2,176.60

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Solution

The fourth proportional to 4,261.10, 6,379.80 and 2,176.60 is: 3,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.10 : 6,379.80 = 2,176.60 : x
  2. Step 2: Convert to fraction form
    4,261.10/6,379.80 = 2,176.60/x
  3. Step 3: Cross multiply
    4,261.10x = 6,379.80 × 2,176.60
  4. Step 4: Simplify right side
    4,261.10x = 13,886,272.68
  5. Step 5: Solve for x
    x = 13,886,272.68/4,261.10
  6. Step 6: Final answer
    x = 3,258.85

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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.