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Finding the Fourth Proportional to 6,663.06, 9,992.16 and 2,765.34

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Solution

The fourth proportional to 6,663.06, 9,992.16 and 2,765.34 is: 4,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.06 : 9,992.16 = 2,765.34 : x
  2. Step 2: Convert to fraction form
    6,663.06/9,992.16 = 2,765.34/x
  3. Step 3: Cross multiply
    6,663.06x = 9,992.16 × 2,765.34
  4. Step 4: Simplify right side
    6,663.06x = 27,631,719.73
  5. Step 5: Solve for x
    x = 27,631,719.73/6,663.06
  6. Step 6: Final answer
    x = 4,147.00

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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.