Home / 5,081.14-7,622.09-1,383.66

Finding the Fourth Proportional to 5,081.14, 7,622.09 and 1,383.66

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Solution

The fourth proportional to 5,081.14, 7,622.09 and 1,383.66 is: 2,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.14 : 7,622.09 = 1,383.66 : x
  2. Step 2: Convert to fraction form
    5,081.14/7,622.09 = 1,383.66/x
  3. Step 3: Cross multiply
    5,081.14x = 7,622.09 × 1,383.66
  4. Step 4: Simplify right side
    5,081.14x = 10,546,381.05
  5. Step 5: Solve for x
    x = 10,546,381.05/5,081.14
  6. Step 6: Final answer
    x = 2,075.59

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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.