Home / 7,270.27-10,905.40-3,106.73

Finding the Fourth Proportional to 7,270.27, 10,905.40 and 3,106.73

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Solution

The fourth proportional to 7,270.27, 10,905.40 and 3,106.73 is: 4,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.27 : 10,905.40 = 3,106.73 : x
  2. Step 2: Convert to fraction form
    7,270.27/10,905.40 = 3,106.73/x
  3. Step 3: Cross multiply
    7,270.27x = 10,905.40 × 3,106.73
  4. Step 4: Simplify right side
    7,270.27x = 33,880,133.34
  5. Step 5: Solve for x
    x = 33,880,133.34/7,270.27
  6. Step 6: Final answer
    x = 4,660.09

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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.