Home / 7,321.44-10,984.86-2,641.80

Finding the Fourth Proportional to 7,321.44, 10,984.86 and 2,641.80

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Solution

The fourth proportional to 7,321.44, 10,984.86 and 2,641.80 is: 3,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.44 : 10,984.86 = 2,641.80 : x
  2. Step 2: Convert to fraction form
    7,321.44/10,984.86 = 2,641.80/x
  3. Step 3: Cross multiply
    7,321.44x = 10,984.86 × 2,641.80
  4. Step 4: Simplify right side
    7,321.44x = 29,019,803.15
  5. Step 5: Solve for x
    x = 29,019,803.15/7,321.44
  6. Step 6: Final answer
    x = 3,963.67

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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.