Home / 7,192.21-10,788.38-2,512.21

Finding the Fourth Proportional to 7,192.21, 10,788.38 and 2,512.21

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Solution

The fourth proportional to 7,192.21, 10,788.38 and 2,512.21 is: 3,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.21 : 10,788.38 = 2,512.21 : x
  2. Step 2: Convert to fraction form
    7,192.21/10,788.38 = 2,512.21/x
  3. Step 3: Cross multiply
    7,192.21x = 10,788.38 × 2,512.21
  4. Step 4: Simplify right side
    7,192.21x = 27,102,676.12
  5. Step 5: Solve for x
    x = 27,102,676.12/7,192.21
  6. Step 6: Final answer
    x = 3,768.34

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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.