Home / 7,824.82-11,738.61-2,558.86

Finding the Fourth Proportional to 7,824.82, 11,738.61 and 2,558.86

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Solution

The fourth proportional to 7,824.82, 11,738.61 and 2,558.86 is: 3,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.82 : 11,738.61 = 2,558.86 : x
  2. Step 2: Convert to fraction form
    7,824.82/11,738.61 = 2,558.86/x
  3. Step 3: Cross multiply
    7,824.82x = 11,738.61 × 2,558.86
  4. Step 4: Simplify right side
    7,824.82x = 30,037,459.58
  5. Step 5: Solve for x
    x = 30,037,459.58/7,824.82
  6. Step 6: Final answer
    x = 3,838.74

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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.