Home / 7,745.22-11,617.90-1,901.88

Finding the Fourth Proportional to 7,745.22, 11,617.90 and 1,901.88

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Solution

The fourth proportional to 7,745.22, 11,617.90 and 1,901.88 is: 2,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.22 : 11,617.90 = 1,901.88 : x
  2. Step 2: Convert to fraction form
    7,745.22/11,617.90 = 1,901.88/x
  3. Step 3: Cross multiply
    7,745.22x = 11,617.90 × 1,901.88
  4. Step 4: Simplify right side
    7,745.22x = 22,095,846.90
  5. Step 5: Solve for x
    x = 22,095,846.90/7,745.22
  6. Step 6: Final answer
    x = 2,852.84

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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.