Home / 6,623.07-9,921.60-3,843.90

Finding the Fourth Proportional to 6,623.07, 9,921.60 and 3,843.90

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Solution

The fourth proportional to 6,623.07, 9,921.60 and 3,843.90 is: 5,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.07 : 9,921.60 = 3,843.90 : x
  2. Step 2: Convert to fraction form
    6,623.07/9,921.60 = 3,843.90/x
  3. Step 3: Cross multiply
    6,623.07x = 9,921.60 × 3,843.90
  4. Step 4: Simplify right side
    6,623.07x = 38,137,638.24
  5. Step 5: Solve for x
    x = 38,137,638.24/6,623.07
  6. Step 6: Final answer
    x = 5,758.30

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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.