Home / 7,362.56-11,043.79-2,979.95

Finding the Fourth Proportional to 7,362.56, 11,043.79 and 2,979.95

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Solution

The fourth proportional to 7,362.56, 11,043.79 and 2,979.95 is: 4,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.56 : 11,043.79 = 2,979.95 : x
  2. Step 2: Convert to fraction form
    7,362.56/11,043.79 = 2,979.95/x
  3. Step 3: Cross multiply
    7,362.56x = 11,043.79 × 2,979.95
  4. Step 4: Simplify right side
    7,362.56x = 32,909,973.92
  5. Step 5: Solve for x
    x = 32,909,973.92/7,362.56
  6. Step 6: Final answer
    x = 4,469.91

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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.