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Finding the Fourth Proportional to 7,170.65, 10,760.83 and 3,277.79

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Solution

The fourth proportional to 7,170.65, 10,760.83 and 3,277.79 is: 4,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.65 : 10,760.83 = 3,277.79 : x
  2. Step 2: Convert to fraction form
    7,170.65/10,760.83 = 3,277.79/x
  3. Step 3: Cross multiply
    7,170.65x = 10,760.83 × 3,277.79
  4. Step 4: Simplify right side
    7,170.65x = 35,271,740.97
  5. Step 5: Solve for x
    x = 35,271,740.97/7,170.65
  6. Step 6: Final answer
    x = 4,918.90

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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.