Home / 7,930.05-11,892.20-2,663.49

Finding the Fourth Proportional to 7,930.05, 11,892.20 and 2,663.49

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Solution

The fourth proportional to 7,930.05, 11,892.20 and 2,663.49 is: 3,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.05 : 11,892.20 = 2,663.49 : x
  2. Step 2: Convert to fraction form
    7,930.05/11,892.20 = 2,663.49/x
  3. Step 3: Cross multiply
    7,930.05x = 11,892.20 × 2,663.49
  4. Step 4: Simplify right side
    7,930.05x = 31,674,755.78
  5. Step 5: Solve for x
    x = 31,674,755.78/7,930.05
  6. Step 6: Final answer
    x = 3,994.27

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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.