Home / 5,076.80-7,609.92-1,956.48

Finding the Fourth Proportional to 5,076.80, 7,609.92 and 1,956.48

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Solution

The fourth proportional to 5,076.80, 7,609.92 and 1,956.48 is: 2,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.80 : 7,609.92 = 1,956.48 : x
  2. Step 2: Convert to fraction form
    5,076.80/7,609.92 = 1,956.48/x
  3. Step 3: Cross multiply
    5,076.80x = 7,609.92 × 1,956.48
  4. Step 4: Simplify right side
    5,076.80x = 14,888,656.28
  5. Step 5: Solve for x
    x = 14,888,656.28/5,076.80
  6. Step 6: Final answer
    x = 2,932.69

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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.