Home / 4,620.47-6,376.97-2,942.60

Finding the Fourth Proportional to 4,620.47, 6,376.97 and 2,942.60

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Solution

The fourth proportional to 4,620.47, 6,376.97 and 2,942.60 is: 4,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.47 : 6,376.97 = 2,942.60 : x
  2. Step 2: Convert to fraction form
    4,620.47/6,376.97 = 2,942.60/x
  3. Step 3: Cross multiply
    4,620.47x = 6,376.97 × 2,942.60
  4. Step 4: Simplify right side
    4,620.47x = 18,764,895.22
  5. Step 5: Solve for x
    x = 18,764,895.22/4,620.47
  6. Step 6: Final answer
    x = 4,061.25

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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.