Home / 8,101.21-11,180.40-4,745.17

Finding the Fourth Proportional to 8,101.21, 11,180.40 and 4,745.17

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Solution

The fourth proportional to 8,101.21, 11,180.40 and 4,745.17 is: 6,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.21 : 11,180.40 = 4,745.17 : x
  2. Step 2: Convert to fraction form
    8,101.21/11,180.40 = 4,745.17/x
  3. Step 3: Cross multiply
    8,101.21x = 11,180.40 × 4,745.17
  4. Step 4: Simplify right side
    8,101.21x = 53,052,874.94
  5. Step 5: Solve for x
    x = 53,052,874.94/8,101.21
  6. Step 6: Final answer
    x = 6,548.76

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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.