Home / 6,717.78-10,076.60-2,613.78

Finding the Fourth Proportional to 6,717.78, 10,076.60 and 2,613.78

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Solution

The fourth proportional to 6,717.78, 10,076.60 and 2,613.78 is: 3,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.78 : 10,076.60 = 2,613.78 : x
  2. Step 2: Convert to fraction form
    6,717.78/10,076.60 = 2,613.78/x
  3. Step 3: Cross multiply
    6,717.78x = 10,076.60 × 2,613.78
  4. Step 4: Simplify right side
    6,717.78x = 26,338,015.55
  5. Step 5: Solve for x
    x = 26,338,015.55/6,717.78
  6. Step 6: Final answer
    x = 3,920.64

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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.