Home / 7,178.09-10,760.85-2,792.48

Finding the Fourth Proportional to 7,178.09, 10,760.85 and 2,792.48

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Solution

The fourth proportional to 7,178.09, 10,760.85 and 2,792.48 is: 4,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.09 : 10,760.85 = 2,792.48 : x
  2. Step 2: Convert to fraction form
    7,178.09/10,760.85 = 2,792.48/x
  3. Step 3: Cross multiply
    7,178.09x = 10,760.85 × 2,792.48
  4. Step 4: Simplify right side
    7,178.09x = 30,049,404.60
  5. Step 5: Solve for x
    x = 30,049,404.60/7,178.09
  6. Step 6: Final answer
    x = 4,186.27

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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.