Home / 4,072.06-6,102.62-2,220.40

Finding the Fourth Proportional to 4,072.06, 6,102.62 and 2,220.40

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Solution

The fourth proportional to 4,072.06, 6,102.62 and 2,220.40 is: 3,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.06 : 6,102.62 = 2,220.40 : x
  2. Step 2: Convert to fraction form
    4,072.06/6,102.62 = 2,220.40/x
  3. Step 3: Cross multiply
    4,072.06x = 6,102.62 × 2,220.40
  4. Step 4: Simplify right side
    4,072.06x = 13,550,257.45
  5. Step 5: Solve for x
    x = 13,550,257.45/4,072.06
  6. Step 6: Final answer
    x = 3,327.62

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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.