Home / 8,028.39-11,081.74-5,638.94

Finding the Fourth Proportional to 8,028.39, 11,081.74 and 5,638.94

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Solution

The fourth proportional to 8,028.39, 11,081.74 and 5,638.94 is: 7,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.39 : 11,081.74 = 5,638.94 : x
  2. Step 2: Convert to fraction form
    8,028.39/11,081.74 = 5,638.94/x
  3. Step 3: Cross multiply
    8,028.39x = 11,081.74 × 5,638.94
  4. Step 4: Simplify right side
    8,028.39x = 62,489,266.96
  5. Step 5: Solve for x
    x = 62,489,266.96/8,028.39
  6. Step 6: Final answer
    x = 7,783.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.