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Finding the Fourth Proportional to 6,168.95, 8,513.97 and 3,480.72

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Solution

The fourth proportional to 6,168.95, 8,513.97 and 3,480.72 is: 4,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.95 : 8,513.97 = 3,480.72 : x
  2. Step 2: Convert to fraction form
    6,168.95/8,513.97 = 3,480.72/x
  3. Step 3: Cross multiply
    6,168.95x = 8,513.97 × 3,480.72
  4. Step 4: Simplify right side
    6,168.95x = 29,634,745.66
  5. Step 5: Solve for x
    x = 29,634,745.66/6,168.95
  6. Step 6: Final answer
    x = 4,803.86

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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.