Home / 4,947.49-7,420.43-1,828.96

Finding the Fourth Proportional to 4,947.49, 7,420.43 and 1,828.96

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Solution

The fourth proportional to 4,947.49, 7,420.43 and 1,828.96 is: 2,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.49 : 7,420.43 = 1,828.96 : x
  2. Step 2: Convert to fraction form
    4,947.49/7,420.43 = 1,828.96/x
  3. Step 3: Cross multiply
    4,947.49x = 7,420.43 × 1,828.96
  4. Step 4: Simplify right side
    4,947.49x = 13,571,669.65
  5. Step 5: Solve for x
    x = 13,571,669.65/4,947.49
  6. Step 6: Final answer
    x = 2,743.14

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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.