Home / 7,826.32-11,738.53-1,982.98

Finding the Fourth Proportional to 7,826.32, 11,738.53 and 1,982.98

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Solution

The fourth proportional to 7,826.32, 11,738.53 and 1,982.98 is: 2,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.32 : 11,738.53 = 1,982.98 : x
  2. Step 2: Convert to fraction form
    7,826.32/11,738.53 = 1,982.98/x
  3. Step 3: Cross multiply
    7,826.32x = 11,738.53 × 1,982.98
  4. Step 4: Simplify right side
    7,826.32x = 23,277,201.61
  5. Step 5: Solve for x
    x = 23,277,201.61/7,826.32
  6. Step 6: Final answer
    x = 2,974.22

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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.