Home / 4,991.12-7,485.04-2,067.84

Finding the Fourth Proportional to 4,991.12, 7,485.04 and 2,067.84

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Solution

The fourth proportional to 4,991.12, 7,485.04 and 2,067.84 is: 3,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.12 : 7,485.04 = 2,067.84 : x
  2. Step 2: Convert to fraction form
    4,991.12/7,485.04 = 2,067.84/x
  3. Step 3: Cross multiply
    4,991.12x = 7,485.04 × 2,067.84
  4. Step 4: Simplify right side
    4,991.12x = 15,477,865.11
  5. Step 5: Solve for x
    x = 15,477,865.11/4,991.12
  6. Step 6: Final answer
    x = 3,101.08

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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.