Home / 8,072.67-11,135.43-4,883.70

Finding the Fourth Proportional to 8,072.67, 11,135.43 and 4,883.70

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Solution

The fourth proportional to 8,072.67, 11,135.43 and 4,883.70 is: 6,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.67 : 11,135.43 = 4,883.70 : x
  2. Step 2: Convert to fraction form
    8,072.67/11,135.43 = 4,883.70/x
  3. Step 3: Cross multiply
    8,072.67x = 11,135.43 × 4,883.70
  4. Step 4: Simplify right side
    8,072.67x = 54,382,099.49
  5. Step 5: Solve for x
    x = 54,382,099.49/8,072.67
  6. Step 6: Final answer
    x = 6,736.57

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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.