Home / 4,905.83-7,359.87-1,618.94

Finding the Fourth Proportional to 4,905.83, 7,359.87 and 1,618.94

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Solution

The fourth proportional to 4,905.83, 7,359.87 and 1,618.94 is: 2,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.83 : 7,359.87 = 1,618.94 : x
  2. Step 2: Convert to fraction form
    4,905.83/7,359.87 = 1,618.94/x
  3. Step 3: Cross multiply
    4,905.83x = 7,359.87 × 1,618.94
  4. Step 4: Simplify right side
    4,905.83x = 11,915,187.94
  5. Step 5: Solve for x
    x = 11,915,187.94/4,905.83
  6. Step 6: Final answer
    x = 2,428.78

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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.