Home / 8,132.23-12,202.44-3,205.40

Finding the Fourth Proportional to 8,132.23, 12,202.44 and 3,205.40

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Solution

The fourth proportional to 8,132.23, 12,202.44 and 3,205.40 is: 4,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.23 : 12,202.44 = 3,205.40 : x
  2. Step 2: Convert to fraction form
    8,132.23/12,202.44 = 3,205.40/x
  3. Step 3: Cross multiply
    8,132.23x = 12,202.44 × 3,205.40
  4. Step 4: Simplify right side
    8,132.23x = 39,113,701.18
  5. Step 5: Solve for x
    x = 39,113,701.18/8,132.23
  6. Step 6: Final answer
    x = 4,809.71

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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.