Home / 7,760.61-11,636.37-3,076.79

Finding the Fourth Proportional to 7,760.61, 11,636.37 and 3,076.79

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Solution

The fourth proportional to 7,760.61, 11,636.37 and 3,076.79 is: 4,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.61 : 11,636.37 = 3,076.79 : x
  2. Step 2: Convert to fraction form
    7,760.61/11,636.37 = 3,076.79/x
  3. Step 3: Cross multiply
    7,760.61x = 11,636.37 × 3,076.79
  4. Step 4: Simplify right side
    7,760.61x = 35,802,608.67
  5. Step 5: Solve for x
    x = 35,802,608.67/7,760.61
  6. Step 6: Final answer
    x = 4,613.38

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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.