Home / 4,245.72-6,355.23-2,680.31

Finding the Fourth Proportional to 4,245.72, 6,355.23 and 2,680.31

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Solution

The fourth proportional to 4,245.72, 6,355.23 and 2,680.31 is: 4,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.72 : 6,355.23 = 2,680.31 : x
  2. Step 2: Convert to fraction form
    4,245.72/6,355.23 = 2,680.31/x
  3. Step 3: Cross multiply
    4,245.72x = 6,355.23 × 2,680.31
  4. Step 4: Simplify right side
    4,245.72x = 17,033,954.75
  5. Step 5: Solve for x
    x = 17,033,954.75/4,245.72
  6. Step 6: Final answer
    x = 4,012.03

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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.