Home / 7,388.06-11,081.78-2,193.89

Finding the Fourth Proportional to 7,388.06, 11,081.78 and 2,193.89

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Solution

The fourth proportional to 7,388.06, 11,081.78 and 2,193.89 is: 3,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.06 : 11,081.78 = 2,193.89 : x
  2. Step 2: Convert to fraction form
    7,388.06/11,081.78 = 2,193.89/x
  3. Step 3: Cross multiply
    7,388.06x = 11,081.78 × 2,193.89
  4. Step 4: Simplify right side
    7,388.06x = 24,312,195.35
  5. Step 5: Solve for x
    x = 24,312,195.35/7,388.06
  6. Step 6: Final answer
    x = 3,290.74

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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.