Home / 7,740.63-11,610.81-2,546.55

Finding the Fourth Proportional to 7,740.63, 11,610.81 and 2,546.55

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Solution

The fourth proportional to 7,740.63, 11,610.81 and 2,546.55 is: 3,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.63 : 11,610.81 = 2,546.55 : x
  2. Step 2: Convert to fraction form
    7,740.63/11,610.81 = 2,546.55/x
  3. Step 3: Cross multiply
    7,740.63x = 11,610.81 × 2,546.55
  4. Step 4: Simplify right side
    7,740.63x = 29,567,508.21
  5. Step 5: Solve for x
    x = 29,567,508.21/7,740.63
  6. Step 6: Final answer
    x = 3,819.78

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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.