Home / 7,964.88-11,950.32-3,858

Finding the Fourth Proportional to 7,964.88, 11,950.32 and 3,858

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Solution

The fourth proportional to 7,964.88, 11,950.32 and 3,858 is: 5,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.88 : 11,950.32 = 3,858 : x
  2. Step 2: Convert to fraction form
    7,964.88/11,950.32 = 3,858/x
  3. Step 3: Cross multiply
    7,964.88x = 11,950.32 × 3,858
  4. Step 4: Simplify right side
    7,964.88x = 46,104,334.56
  5. Step 5: Solve for x
    x = 46,104,334.56/7,964.88
  6. Step 6: Final answer
    x = 5,788.45

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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.