Home / 9,091.22-13,638.95-2,850.84

Finding the Fourth Proportional to 9,091.22, 13,638.95 and 2,850.84

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Solution

The fourth proportional to 9,091.22, 13,638.95 and 2,850.84 is: 4,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.22 : 13,638.95 = 2,850.84 : x
  2. Step 2: Convert to fraction form
    9,091.22/13,638.95 = 2,850.84/x
  3. Step 3: Cross multiply
    9,091.22x = 13,638.95 × 2,850.84
  4. Step 4: Simplify right side
    9,091.22x = 38,882,449.96
  5. Step 5: Solve for x
    x = 38,882,449.96/9,091.22
  6. Step 6: Final answer
    x = 4,276.93

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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.