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Finding the Fourth Proportional to 5,453.47, 8,181.56 and 1,756.11

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Solution

The fourth proportional to 5,453.47, 8,181.56 and 1,756.11 is: 2,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.47 : 8,181.56 = 1,756.11 : x
  2. Step 2: Convert to fraction form
    5,453.47/8,181.56 = 1,756.11/x
  3. Step 3: Cross multiply
    5,453.47x = 8,181.56 × 1,756.11
  4. Step 4: Simplify right side
    5,453.47x = 14,367,744.52
  5. Step 5: Solve for x
    x = 14,367,744.52/5,453.47
  6. Step 6: Final answer
    x = 2,634.61

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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.