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Finding the Fourth Proportional to 5,074.08, 7,611.60 and 1,910.68

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Solution

The fourth proportional to 5,074.08, 7,611.60 and 1,910.68 is: 2,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.08 : 7,611.60 = 1,910.68 : x
  2. Step 2: Convert to fraction form
    5,074.08/7,611.60 = 1,910.68/x
  3. Step 3: Cross multiply
    5,074.08x = 7,611.60 × 1,910.68
  4. Step 4: Simplify right side
    5,074.08x = 14,543,331.89
  5. Step 5: Solve for x
    x = 14,543,331.89/5,074.08
  6. Step 6: Final answer
    x = 2,866.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.