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Finding the Fourth Proportional to 5,636.82, 8,455.08 and 1,741.23

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Solution

The fourth proportional to 5,636.82, 8,455.08 and 1,741.23 is: 2,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.82 : 8,455.08 = 1,741.23 : x
  2. Step 2: Convert to fraction form
    5,636.82/8,455.08 = 1,741.23/x
  3. Step 3: Cross multiply
    5,636.82x = 8,455.08 × 1,741.23
  4. Step 4: Simplify right side
    5,636.82x = 14,722,245.48
  5. Step 5: Solve for x
    x = 14,722,245.48/5,636.82
  6. Step 6: Final answer
    x = 2,611.80

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1.5x scale

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.