Home / 9,086.44-13,621.02-3,889

Finding the Fourth Proportional to 9,086.44, 13,621.02 and 3,889

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Solution

The fourth proportional to 9,086.44, 13,621.02 and 3,889 is: 5,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.44 : 13,621.02 = 3,889 : x
  2. Step 2: Convert to fraction form
    9,086.44/13,621.02 = 3,889/x
  3. Step 3: Cross multiply
    9,086.44x = 13,621.02 × 3,889
  4. Step 4: Simplify right side
    9,086.44x = 52,972,146.78
  5. Step 5: Solve for x
    x = 52,972,146.78/9,086.44
  6. Step 6: Final answer
    x = 5,829.80

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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.