Home / 4,485.94-6,722.74-2,290.04

Finding the Fourth Proportional to 4,485.94, 6,722.74 and 2,290.04

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Solution

The fourth proportional to 4,485.94, 6,722.74 and 2,290.04 is: 3,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.94 : 6,722.74 = 2,290.04 : x
  2. Step 2: Convert to fraction form
    4,485.94/6,722.74 = 2,290.04/x
  3. Step 3: Cross multiply
    4,485.94x = 6,722.74 × 2,290.04
  4. Step 4: Simplify right side
    4,485.94x = 15,395,343.51
  5. Step 5: Solve for x
    x = 15,395,343.51/4,485.94
  6. Step 6: Final answer
    x = 3,431.91

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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.