Home / 8,183.02-12,270.89-2,985.25

Finding the Fourth Proportional to 8,183.02, 12,270.89 and 2,985.25

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Solution

The fourth proportional to 8,183.02, 12,270.89 and 2,985.25 is: 4,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.02 : 12,270.89 = 2,985.25 : x
  2. Step 2: Convert to fraction form
    8,183.02/12,270.89 = 2,985.25/x
  3. Step 3: Cross multiply
    8,183.02x = 12,270.89 × 2,985.25
  4. Step 4: Simplify right side
    8,183.02x = 36,631,659.45
  5. Step 5: Solve for x
    x = 36,631,659.45/8,183.02
  6. Step 6: Final answer
    x = 4,476.55

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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.