Home / 9,021.22-13,533.51-3,181.54

Finding the Fourth Proportional to 9,021.22, 13,533.51 and 3,181.54

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Solution

The fourth proportional to 9,021.22, 13,533.51 and 3,181.54 is: 4,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.22 : 13,533.51 = 3,181.54 : x
  2. Step 2: Convert to fraction form
    9,021.22/13,533.51 = 3,181.54/x
  3. Step 3: Cross multiply
    9,021.22x = 13,533.51 × 3,181.54
  4. Step 4: Simplify right side
    9,021.22x = 43,057,403.41
  5. Step 5: Solve for x
    x = 43,057,403.41/9,021.22
  6. Step 6: Final answer
    x = 4,772.90

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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.