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Finding the Fourth Proportional to 5,081.67, 7,622.42 and 2,003.67

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Solution

The fourth proportional to 5,081.67, 7,622.42 and 2,003.67 is: 3,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.67 : 7,622.42 = 2,003.67 : x
  2. Step 2: Convert to fraction form
    5,081.67/7,622.42 = 2,003.67/x
  3. Step 3: Cross multiply
    5,081.67x = 7,622.42 × 2,003.67
  4. Step 4: Simplify right side
    5,081.67x = 15,272,804.26
  5. Step 5: Solve for x
    x = 15,272,804.26/5,081.67
  6. Step 6: Final answer
    x = 3,005.47

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1.5x scale

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.