Home / 8,112.82-11,195.84-4,758.05

Finding the Fourth Proportional to 8,112.82, 11,195.84 and 4,758.05

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Solution

The fourth proportional to 8,112.82, 11,195.84 and 4,758.05 is: 6,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.82 : 11,195.84 = 4,758.05 : x
  2. Step 2: Convert to fraction form
    8,112.82/11,195.84 = 4,758.05/x
  3. Step 3: Cross multiply
    8,112.82x = 11,195.84 × 4,758.05
  4. Step 4: Simplify right side
    8,112.82x = 53,270,396.60
  5. Step 5: Solve for x
    x = 53,270,396.60/8,112.82
  6. Step 6: Final answer
    x = 6,566.20

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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.