Home / 5,213.44-7,823.24-1,928.84

Finding the Fourth Proportional to 5,213.44, 7,823.24 and 1,928.84

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Solution

The fourth proportional to 5,213.44, 7,823.24 and 1,928.84 is: 2,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.44 : 7,823.24 = 1,928.84 : x
  2. Step 2: Convert to fraction form
    5,213.44/7,823.24 = 1,928.84/x
  3. Step 3: Cross multiply
    5,213.44x = 7,823.24 × 1,928.84
  4. Step 4: Simplify right side
    5,213.44x = 15,089,778.24
  5. Step 5: Solve for x
    x = 15,089,778.24/5,213.44
  6. Step 6: Final answer
    x = 2,894.40

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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.