Home / 8,511.33-11,745.63-4,974.54

Finding the Fourth Proportional to 8,511.33, 11,745.63 and 4,974.54

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Solution

The fourth proportional to 8,511.33, 11,745.63 and 4,974.54 is: 6,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.33 : 11,745.63 = 4,974.54 : x
  2. Step 2: Convert to fraction form
    8,511.33/11,745.63 = 4,974.54/x
  3. Step 3: Cross multiply
    8,511.33x = 11,745.63 × 4,974.54
  4. Step 4: Simplify right side
    8,511.33x = 58,429,109.24
  5. Step 5: Solve for x
    x = 58,429,109.24/8,511.33
  6. Step 6: Final answer
    x = 6,864.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.