Home / 5,173.50-7,761.20-1,664.04

Finding the Fourth Proportional to 5,173.50, 7,761.20 and 1,664.04

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Solution

The fourth proportional to 5,173.50, 7,761.20 and 1,664.04 is: 2,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.50 : 7,761.20 = 1,664.04 : x
  2. Step 2: Convert to fraction form
    5,173.50/7,761.20 = 1,664.04/x
  3. Step 3: Cross multiply
    5,173.50x = 7,761.20 × 1,664.04
  4. Step 4: Simplify right side
    5,173.50x = 12,914,947.25
  5. Step 5: Solve for x
    x = 12,914,947.25/5,173.50
  6. Step 6: Final answer
    x = 2,496.37

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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.