Home / 6,623.35-9,910.65-3,992.47

Finding the Fourth Proportional to 6,623.35, 9,910.65 and 3,992.47

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Solution

The fourth proportional to 6,623.35, 9,910.65 and 3,992.47 is: 5,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.35 : 9,910.65 = 3,992.47 : x
  2. Step 2: Convert to fraction form
    6,623.35/9,910.65 = 3,992.47/x
  3. Step 3: Cross multiply
    6,623.35x = 9,910.65 × 3,992.47
  4. Step 4: Simplify right side
    6,623.35x = 39,567,972.81
  5. Step 5: Solve for x
    x = 39,567,972.81/6,623.35
  6. Step 6: Final answer
    x = 5,974.01

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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.