Home / 8,121.06-11,208.04-4,765.14

Finding the Fourth Proportional to 8,121.06, 11,208.04 and 4,765.14

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Solution

The fourth proportional to 8,121.06, 11,208.04 and 4,765.14 is: 6,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.06 : 11,208.04 = 4,765.14 : x
  2. Step 2: Convert to fraction form
    8,121.06/11,208.04 = 4,765.14/x
  3. Step 3: Cross multiply
    8,121.06x = 11,208.04 × 4,765.14
  4. Step 4: Simplify right side
    8,121.06x = 53,407,879.73
  5. Step 5: Solve for x
    x = 53,407,879.73/8,121.06
  6. Step 6: Final answer
    x = 6,576.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.