Home / 4,047.78-6,069.60-1,414.20

Finding the Fourth Proportional to 4,047.78, 6,069.60 and 1,414.20

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Solution

The fourth proportional to 4,047.78, 6,069.60 and 1,414.20 is: 2,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.78 : 6,069.60 = 1,414.20 : x
  2. Step 2: Convert to fraction form
    4,047.78/6,069.60 = 1,414.20/x
  3. Step 3: Cross multiply
    4,047.78x = 6,069.60 × 1,414.20
  4. Step 4: Simplify right side
    4,047.78x = 8,583,628.32
  5. Step 5: Solve for x
    x = 8,583,628.32/4,047.78
  6. Step 6: Final answer
    x = 2,120.58

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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.