Home / 4,188.08-5,778.37-2,696.86

Finding the Fourth Proportional to 4,188.08, 5,778.37 and 2,696.86

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Solution

The fourth proportional to 4,188.08, 5,778.37 and 2,696.86 is: 3,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.08 : 5,778.37 = 2,696.86 : x
  2. Step 2: Convert to fraction form
    4,188.08/5,778.37 = 2,696.86/x
  3. Step 3: Cross multiply
    4,188.08x = 5,778.37 × 2,696.86
  4. Step 4: Simplify right side
    4,188.08x = 15,583,433.73
  5. Step 5: Solve for x
    x = 15,583,433.73/4,188.08
  6. Step 6: Final answer
    x = 3,720.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.