Home / 7,745.98-11,554.45-6,998.56

Finding the Fourth Proportional to 7,745.98, 11,554.45 and 6,998.56

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Solution

The fourth proportional to 7,745.98, 11,554.45 and 6,998.56 is: 10,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.98 : 11,554.45 = 6,998.56 : x
  2. Step 2: Convert to fraction form
    7,745.98/11,554.45 = 6,998.56/x
  3. Step 3: Cross multiply
    7,745.98x = 11,554.45 × 6,998.56
  4. Step 4: Simplify right side
    7,745.98x = 80,864,511.59
  5. Step 5: Solve for x
    x = 80,864,511.59/7,745.98
  6. Step 6: Final answer
    x = 10,439.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.