Home / 7,800.28-11,705.04-2,873.37

Finding the Fourth Proportional to 7,800.28, 11,705.04 and 2,873.37

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Solution

The fourth proportional to 7,800.28, 11,705.04 and 2,873.37 is: 4,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.28 : 11,705.04 = 2,873.37 : x
  2. Step 2: Convert to fraction form
    7,800.28/11,705.04 = 2,873.37/x
  3. Step 3: Cross multiply
    7,800.28x = 11,705.04 × 2,873.37
  4. Step 4: Simplify right side
    7,800.28x = 33,632,954.68
  5. Step 5: Solve for x
    x = 33,632,954.68/7,800.28
  6. Step 6: Final answer
    x = 4,311.76

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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.