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Finding the Fourth Proportional to 4,796.76, 7,195.47 and 1,286.76

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Solution

The fourth proportional to 4,796.76, 7,195.47 and 1,286.76 is: 1,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.76 : 7,195.47 = 1,286.76 : x
  2. Step 2: Convert to fraction form
    4,796.76/7,195.47 = 1,286.76/x
  3. Step 3: Cross multiply
    4,796.76x = 7,195.47 × 1,286.76
  4. Step 4: Simplify right side
    4,796.76x = 9,258,842.98
  5. Step 5: Solve for x
    x = 9,258,842.98/4,796.76
  6. Step 6: Final answer
    x = 1,930.23

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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.