Home / 5,455.82-8,188.02-3,801.60

Finding the Fourth Proportional to 5,455.82, 8,188.02 and 3,801.60

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Solution

The fourth proportional to 5,455.82, 8,188.02 and 3,801.60 is: 5,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.82 : 8,188.02 = 3,801.60 : x
  2. Step 2: Convert to fraction form
    5,455.82/8,188.02 = 3,801.60/x
  3. Step 3: Cross multiply
    5,455.82x = 8,188.02 × 3,801.60
  4. Step 4: Simplify right side
    5,455.82x = 31,127,576.83
  5. Step 5: Solve for x
    x = 31,127,576.83/5,455.82
  6. Step 6: Final answer
    x = 5,705.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.