Home / 8,954.22-13,431.31-2,380.41

Finding the Fourth Proportional to 8,954.22, 13,431.31 and 2,380.41

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Solution

The fourth proportional to 8,954.22, 13,431.31 and 2,380.41 is: 3,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.22 : 13,431.31 = 2,380.41 : x
  2. Step 2: Convert to fraction form
    8,954.22/13,431.31 = 2,380.41/x
  3. Step 3: Cross multiply
    8,954.22x = 13,431.31 × 2,380.41
  4. Step 4: Simplify right side
    8,954.22x = 31,971,957.48
  5. Step 5: Solve for x
    x = 31,971,957.48/8,954.22
  6. Step 6: Final answer
    x = 3,570.60

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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.