Home / 6,128.12-8,456.33-3,475.98

Finding the Fourth Proportional to 6,128.12, 8,456.33 and 3,475.98

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Solution

The fourth proportional to 6,128.12, 8,456.33 and 3,475.98 is: 4,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.12 : 8,456.33 = 3,475.98 : x
  2. Step 2: Convert to fraction form
    6,128.12/8,456.33 = 3,475.98/x
  3. Step 3: Cross multiply
    6,128.12x = 8,456.33 × 3,475.98
  4. Step 4: Simplify right side
    6,128.12x = 29,394,042.64
  5. Step 5: Solve for x
    x = 29,394,042.64/6,128.12
  6. Step 6: Final answer
    x = 4,796.58

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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.