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Finding the Fourth Proportional to 6,851.68, 10,291.54 and 4,515.03

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Solution

The fourth proportional to 6,851.68, 10,291.54 and 4,515.03 is: 6,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.68 : 10,291.54 = 4,515.03 : x
  2. Step 2: Convert to fraction form
    6,851.68/10,291.54 = 4,515.03/x
  3. Step 3: Cross multiply
    6,851.68x = 10,291.54 × 4,515.03
  4. Step 4: Simplify right side
    6,851.68x = 46,466,611.85
  5. Step 5: Solve for x
    x = 46,466,611.85/6,851.68
  6. Step 6: Final answer
    x = 6,781.78

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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.