Home / 6,825.78-10,234.51-2,660.91

Finding the Fourth Proportional to 6,825.78, 10,234.51 and 2,660.91

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Solution

The fourth proportional to 6,825.78, 10,234.51 and 2,660.91 is: 3,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.78 : 10,234.51 = 2,660.91 : x
  2. Step 2: Convert to fraction form
    6,825.78/10,234.51 = 2,660.91/x
  3. Step 3: Cross multiply
    6,825.78x = 10,234.51 × 2,660.91
  4. Step 4: Simplify right side
    6,825.78x = 27,233,110.00
  5. Step 5: Solve for x
    x = 27,233,110.00/6,825.78
  6. Step 6: Final answer
    x = 3,989.74

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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.