Home / 7,874.94-11,809.38-2,608.35

Finding the Fourth Proportional to 7,874.94, 11,809.38 and 2,608.35

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Solution

The fourth proportional to 7,874.94, 11,809.38 and 2,608.35 is: 3,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.94 : 11,809.38 = 2,608.35 : x
  2. Step 2: Convert to fraction form
    7,874.94/11,809.38 = 2,608.35/x
  3. Step 3: Cross multiply
    7,874.94x = 11,809.38 × 2,608.35
  4. Step 4: Simplify right side
    7,874.94x = 30,802,996.32
  5. Step 5: Solve for x
    x = 30,802,996.32/7,874.94
  6. Step 6: Final answer
    x = 3,911.52

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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.