Home / 6,754.32-10,131.84-2,137.68

Finding the Fourth Proportional to 6,754.32, 10,131.84 and 2,137.68

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Solution

The fourth proportional to 6,754.32, 10,131.84 and 2,137.68 is: 3,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.32 : 10,131.84 = 2,137.68 : x
  2. Step 2: Convert to fraction form
    6,754.32/10,131.84 = 2,137.68/x
  3. Step 3: Cross multiply
    6,754.32x = 10,131.84 × 2,137.68
  4. Step 4: Simplify right side
    6,754.32x = 21,658,631.73
  5. Step 5: Solve for x
    x = 21,658,631.73/6,754.32
  6. Step 6: Final answer
    x = 3,206.63

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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.