Home / 8,922.75-13,388.78-4,481.11

Finding the Fourth Proportional to 8,922.75, 13,388.78 and 4,481.11

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Solution

The fourth proportional to 8,922.75, 13,388.78 and 4,481.11 is: 6,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.75 : 13,388.78 = 4,481.11 : x
  2. Step 2: Convert to fraction form
    8,922.75/13,388.78 = 4,481.11/x
  3. Step 3: Cross multiply
    8,922.75x = 13,388.78 × 4,481.11
  4. Step 4: Simplify right side
    8,922.75x = 59,996,595.95
  5. Step 5: Solve for x
    x = 59,996,595.95/8,922.75
  6. Step 6: Final answer
    x = 6,724.00

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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.