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Finding the Fourth Proportional to 5,636.78, 8,454.96 and 1,741.19

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Solution

The fourth proportional to 5,636.78, 8,454.96 and 1,741.19 is: 2,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.78 : 8,454.96 = 1,741.19 : x
  2. Step 2: Convert to fraction form
    5,636.78/8,454.96 = 1,741.19/x
  3. Step 3: Cross multiply
    5,636.78x = 8,454.96 × 1,741.19
  4. Step 4: Simplify right side
    5,636.78x = 14,721,649.53
  5. Step 5: Solve for x
    x = 14,721,649.53/5,636.78
  6. Step 6: Final answer
    x = 2,611.71

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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.