Home / 8,185.16-12,270.66-3,800.36

Finding the Fourth Proportional to 8,185.16, 12,270.66 and 3,800.36

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Solution

The fourth proportional to 8,185.16, 12,270.66 and 3,800.36 is: 5,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.16 : 12,270.66 = 3,800.36 : x
  2. Step 2: Convert to fraction form
    8,185.16/12,270.66 = 3,800.36/x
  3. Step 3: Cross multiply
    8,185.16x = 12,270.66 × 3,800.36
  4. Step 4: Simplify right side
    8,185.16x = 46,632,925.44
  5. Step 5: Solve for x
    x = 46,632,925.44/8,185.16
  6. Step 6: Final answer
    x = 5,697.25

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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.