Home / 8,450.88-12,678.96-2,608.32

Finding the Fourth Proportional to 8,450.88, 12,678.96 and 2,608.32

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Solution

The fourth proportional to 8,450.88, 12,678.96 and 2,608.32 is: 3,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.88 : 12,678.96 = 2,608.32 : x
  2. Step 2: Convert to fraction form
    8,450.88/12,678.96 = 2,608.32/x
  3. Step 3: Cross multiply
    8,450.88x = 12,678.96 × 2,608.32
  4. Step 4: Simplify right side
    8,450.88x = 33,070,784.95
  5. Step 5: Solve for x
    x = 33,070,784.95/8,450.88
  6. Step 6: Final answer
    x = 3,913.29

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1.5x scale

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.