Home / 8,906.21-13,354.37-3,644.91

Finding the Fourth Proportional to 8,906.21, 13,354.37 and 3,644.91

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Solution

The fourth proportional to 8,906.21, 13,354.37 and 3,644.91 is: 5,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.21 : 13,354.37 = 3,644.91 : x
  2. Step 2: Convert to fraction form
    8,906.21/13,354.37 = 3,644.91/x
  3. Step 3: Cross multiply
    8,906.21x = 13,354.37 × 3,644.91
  4. Step 4: Simplify right side
    8,906.21x = 48,675,458.53
  5. Step 5: Solve for x
    x = 48,675,458.53/8,906.21
  6. Step 6: Final answer
    x = 5,465.34

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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.