Home / 8,511.13-11,745.38-4,734.54

Finding the Fourth Proportional to 8,511.13, 11,745.38 and 4,734.54

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Solution

The fourth proportional to 8,511.13, 11,745.38 and 4,734.54 is: 6,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.13 : 11,745.38 = 4,734.54 : x
  2. Step 2: Convert to fraction form
    8,511.13/11,745.38 = 4,734.54/x
  3. Step 3: Cross multiply
    8,511.13x = 11,745.38 × 4,734.54
  4. Step 4: Simplify right side
    8,511.13x = 55,608,971.43
  5. Step 5: Solve for x
    x = 55,608,971.43/8,511.13
  6. Step 6: Final answer
    x = 6,533.68

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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.