Home / 4,905.97-7,359.30-1,621.37

Finding the Fourth Proportional to 4,905.97, 7,359.30 and 1,621.37

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Solution

The fourth proportional to 4,905.97, 7,359.30 and 1,621.37 is: 2,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.97 : 7,359.30 = 1,621.37 : x
  2. Step 2: Convert to fraction form
    4,905.97/7,359.30 = 1,621.37/x
  3. Step 3: Cross multiply
    4,905.97x = 7,359.30 × 1,621.37
  4. Step 4: Simplify right side
    4,905.97x = 11,932,160.56
  5. Step 5: Solve for x
    x = 11,932,160.56/4,905.97
  6. Step 6: Final answer
    x = 2,432.17

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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.