Home / 5,071.82-7,604.46-2,112.32

Finding the Fourth Proportional to 5,071.82, 7,604.46 and 2,112.32

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Solution

The fourth proportional to 5,071.82, 7,604.46 and 2,112.32 is: 3,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.82 : 7,604.46 = 2,112.32 : x
  2. Step 2: Convert to fraction form
    5,071.82/7,604.46 = 2,112.32/x
  3. Step 3: Cross multiply
    5,071.82x = 7,604.46 × 2,112.32
  4. Step 4: Simplify right side
    5,071.82x = 16,063,052.95
  5. Step 5: Solve for x
    x = 16,063,052.95/5,071.82
  6. Step 6: Final answer
    x = 3,167.12

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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.