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Finding the Fourth Proportional to 7,750.43, 11,627.09 and 3,587.69

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Solution

The fourth proportional to 7,750.43, 11,627.09 and 3,587.69 is: 5,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.43 : 11,627.09 = 3,587.69 : x
  2. Step 2: Convert to fraction form
    7,750.43/11,627.09 = 3,587.69/x
  3. Step 3: Cross multiply
    7,750.43x = 11,627.09 × 3,587.69
  4. Step 4: Simplify right side
    7,750.43x = 41,714,439.29
  5. Step 5: Solve for x
    x = 41,714,439.29/7,750.43
  6. Step 6: Final answer
    x = 5,382.21

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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.