Home / 6,122.08-8,448.80-3,766.72

Finding the Fourth Proportional to 6,122.08, 8,448.80 and 3,766.72

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Solution

The fourth proportional to 6,122.08, 8,448.80 and 3,766.72 is: 5,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.08 : 8,448.80 = 3,766.72 : x
  2. Step 2: Convert to fraction form
    6,122.08/8,448.80 = 3,766.72/x
  3. Step 3: Cross multiply
    6,122.08x = 8,448.80 × 3,766.72
  4. Step 4: Simplify right side
    6,122.08x = 31,824,263.94
  5. Step 5: Solve for x
    x = 31,824,263.94/6,122.08
  6. Step 6: Final answer
    x = 5,198.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.