Home / 7,091.28-10,639.60-3,194.76

Finding the Fourth Proportional to 7,091.28, 10,639.60 and 3,194.76

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Solution

The fourth proportional to 7,091.28, 10,639.60 and 3,194.76 is: 4,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.28 : 10,639.60 = 3,194.76 : x
  2. Step 2: Convert to fraction form
    7,091.28/10,639.60 = 3,194.76/x
  3. Step 3: Cross multiply
    7,091.28x = 10,639.60 × 3,194.76
  4. Step 4: Simplify right side
    7,091.28x = 33,990,968.50
  5. Step 5: Solve for x
    x = 33,990,968.50/7,091.28
  6. Step 6: Final answer
    x = 4,793.35

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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.