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Finding the Fourth Proportional to 6,168.63, 8,512.56 and 3,779.53

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Solution

The fourth proportional to 6,168.63, 8,512.56 and 3,779.53 is: 5,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.63 : 8,512.56 = 3,779.53 : x
  2. Step 2: Convert to fraction form
    6,168.63/8,512.56 = 3,779.53/x
  3. Step 3: Cross multiply
    6,168.63x = 8,512.56 × 3,779.53
  4. Step 4: Simplify right side
    6,168.63x = 32,173,475.90
  5. Step 5: Solve for x
    x = 32,173,475.90/6,168.63
  6. Step 6: Final answer
    x = 5,215.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.