Home / 7,825.46-11,738.90-2,560.48

Finding the Fourth Proportional to 7,825.46, 11,738.90 and 2,560.48

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Solution

The fourth proportional to 7,825.46, 11,738.90 and 2,560.48 is: 3,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.46 : 11,738.90 = 2,560.48 : x
  2. Step 2: Convert to fraction form
    7,825.46/11,738.90 = 2,560.48/x
  3. Step 3: Cross multiply
    7,825.46x = 11,738.90 × 2,560.48
  4. Step 4: Simplify right side
    7,825.46x = 30,057,218.67
  5. Step 5: Solve for x
    x = 30,057,218.67/7,825.46
  6. Step 6: Final answer
    x = 3,840.95

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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.