Home / 4,071.56-6,112.20-2,616.80

Finding the Fourth Proportional to 4,071.56, 6,112.20 and 2,616.80

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Solution

The fourth proportional to 4,071.56, 6,112.20 and 2,616.80 is: 3,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.56 : 6,112.20 = 2,616.80 : x
  2. Step 2: Convert to fraction form
    4,071.56/6,112.20 = 2,616.80/x
  3. Step 3: Cross multiply
    4,071.56x = 6,112.20 × 2,616.80
  4. Step 4: Simplify right side
    4,071.56x = 15,994,404.96
  5. Step 5: Solve for x
    x = 15,994,404.96/4,071.56
  6. Step 6: Final answer
    x = 3,928.32

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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.