Home / 9,181.86-13,772.79-2,608.05

Finding the Fourth Proportional to 9,181.86, 13,772.79 and 2,608.05

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Solution

The fourth proportional to 9,181.86, 13,772.79 and 2,608.05 is: 3,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.86 : 13,772.79 = 2,608.05 : x
  2. Step 2: Convert to fraction form
    9,181.86/13,772.79 = 2,608.05/x
  3. Step 3: Cross multiply
    9,181.86x = 13,772.79 × 2,608.05
  4. Step 4: Simplify right side
    9,181.86x = 35,920,124.96
  5. Step 5: Solve for x
    x = 35,920,124.96/9,181.86
  6. Step 6: Final answer
    x = 3,912.08

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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.