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Finding the Fourth Proportional to 6,662.90, 9,992.06 and 2,279.34

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Solution

The fourth proportional to 6,662.90, 9,992.06 and 2,279.34 is: 3,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.90 : 9,992.06 = 2,279.34 : x
  2. Step 2: Convert to fraction form
    6,662.90/9,992.06 = 2,279.34/x
  3. Step 3: Cross multiply
    6,662.90x = 9,992.06 × 2,279.34
  4. Step 4: Simplify right side
    6,662.90x = 22,775,302.04
  5. Step 5: Solve for x
    x = 22,775,302.04/6,662.90
  6. Step 6: Final answer
    x = 3,418.23

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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.