Home / 4,811.96-7,223.70-3,087.80

Finding the Fourth Proportional to 4,811.96, 7,223.70 and 3,087.80

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Solution

The fourth proportional to 4,811.96, 7,223.70 and 3,087.80 is: 4,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.96 : 7,223.70 = 3,087.80 : x
  2. Step 2: Convert to fraction form
    4,811.96/7,223.70 = 3,087.80/x
  3. Step 3: Cross multiply
    4,811.96x = 7,223.70 × 3,087.80
  4. Step 4: Simplify right side
    4,811.96x = 22,305,340.86
  5. Step 5: Solve for x
    x = 22,305,340.86/4,811.96
  6. Step 6: Final answer
    x = 4,635.40

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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.