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Finding the Fourth Proportional to 8,454.96, 12,685.12 and 3,525.12

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Solution

The fourth proportional to 8,454.96, 12,685.12 and 3,525.12 is: 5,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.96 : 12,685.12 = 3,525.12 : x
  2. Step 2: Convert to fraction form
    8,454.96/12,685.12 = 3,525.12/x
  3. Step 3: Cross multiply
    8,454.96x = 12,685.12 × 3,525.12
  4. Step 4: Simplify right side
    8,454.96x = 44,716,570.21
  5. Step 5: Solve for x
    x = 44,716,570.21/8,454.96
  6. Step 6: Final answer
    x = 5,288.80

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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.