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Finding the Fourth Proportional to 4,613.72, 6,367 and 2,517.80

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Solution

The fourth proportional to 4,613.72, 6,367 and 2,517.80 is: 3,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.72 : 6,367 = 2,517.80 : x
  2. Step 2: Convert to fraction form
    4,613.72/6,367 = 2,517.80/x
  3. Step 3: Cross multiply
    4,613.72x = 6,367 × 2,517.80
  4. Step 4: Simplify right side
    4,613.72x = 16,030,832.60
  5. Step 5: Solve for x
    x = 16,030,832.60/4,613.72
  6. Step 6: Final answer
    x = 3,474.60

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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.