Home / 7,976.73-11,967.78-3,533.79

Finding the Fourth Proportional to 7,976.73, 11,967.78 and 3,533.79

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Solution

The fourth proportional to 7,976.73, 11,967.78 and 3,533.79 is: 5,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.73 : 11,967.78 = 3,533.79 : x
  2. Step 2: Convert to fraction form
    7,976.73/11,967.78 = 3,533.79/x
  3. Step 3: Cross multiply
    7,976.73x = 11,967.78 × 3,533.79
  4. Step 4: Simplify right side
    7,976.73x = 42,291,621.29
  5. Step 5: Solve for x
    x = 42,291,621.29/7,976.73
  6. Step 6: Final answer
    x = 5,301.87

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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.