Home / 8,568.21-12,849.08-3,371.25

Finding the Fourth Proportional to 8,568.21, 12,849.08 and 3,371.25

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Solution

The fourth proportional to 8,568.21, 12,849.08 and 3,371.25 is: 5,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.21 : 12,849.08 = 3,371.25 : x
  2. Step 2: Convert to fraction form
    8,568.21/12,849.08 = 3,371.25/x
  3. Step 3: Cross multiply
    8,568.21x = 12,849.08 × 3,371.25
  4. Step 4: Simplify right side
    8,568.21x = 43,317,444.09
  5. Step 5: Solve for x
    x = 43,317,444.09/8,568.21
  6. Step 6: Final answer
    x = 5,055.60

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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.