Home / 7,825.20-11,738.53-2,560.24

Finding the Fourth Proportional to 7,825.20, 11,738.53 and 2,560.24

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Solution

The fourth proportional to 7,825.20, 11,738.53 and 2,560.24 is: 3,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.20 : 11,738.53 = 2,560.24 : x
  2. Step 2: Convert to fraction form
    7,825.20/11,738.53 = 2,560.24/x
  3. Step 3: Cross multiply
    7,825.20x = 11,738.53 × 2,560.24
  4. Step 4: Simplify right side
    7,825.20x = 30,053,454.05
  5. Step 5: Solve for x
    x = 30,053,454.05/7,825.20
  6. Step 6: Final answer
    x = 3,840.60

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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.