Home / 4,621.98-6,380.43-2,945.69

Finding the Fourth Proportional to 4,621.98, 6,380.43 and 2,945.69

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Solution

The fourth proportional to 4,621.98, 6,380.43 and 2,945.69 is: 4,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.98 : 6,380.43 = 2,945.69 : x
  2. Step 2: Convert to fraction form
    4,621.98/6,380.43 = 2,945.69/x
  3. Step 3: Cross multiply
    4,621.98x = 6,380.43 × 2,945.69
  4. Step 4: Simplify right side
    4,621.98x = 18,794,768.85
  5. Step 5: Solve for x
    x = 18,794,768.85/4,621.98
  6. Step 6: Final answer
    x = 4,066.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.