Home / 6,623.06-9,921.61-3,843.91

Finding the Fourth Proportional to 6,623.06, 9,921.61 and 3,843.91

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Solution

The fourth proportional to 6,623.06, 9,921.61 and 3,843.91 is: 5,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.06 : 9,921.61 = 3,843.91 : x
  2. Step 2: Convert to fraction form
    6,623.06/9,921.61 = 3,843.91/x
  3. Step 3: Cross multiply
    6,623.06x = 9,921.61 × 3,843.91
  4. Step 4: Simplify right side
    6,623.06x = 38,137,741.48
  5. Step 5: Solve for x
    x = 38,137,741.48/6,623.06
  6. Step 6: Final answer
    x = 5,758.32

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1.5x scale

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.