Home / 7,277.40-10,917.30-3,993.24

Finding the Fourth Proportional to 7,277.40, 10,917.30 and 3,993.24

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Solution

The fourth proportional to 7,277.40, 10,917.30 and 3,993.24 is: 5,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.40 : 10,917.30 = 3,993.24 : x
  2. Step 2: Convert to fraction form
    7,277.40/10,917.30 = 3,993.24/x
  3. Step 3: Cross multiply
    7,277.40x = 10,917.30 × 3,993.24
  4. Step 4: Simplify right side
    7,277.40x = 43,595,399.05
  5. Step 5: Solve for x
    x = 43,595,399.05/7,277.40
  6. Step 6: Final answer
    x = 5,990.52

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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.