Home / 5,175.48-7,763.81-1,664.27

Finding the Fourth Proportional to 5,175.48, 7,763.81 and 1,664.27

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Solution

The fourth proportional to 5,175.48, 7,763.81 and 1,664.27 is: 2,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.48 : 7,763.81 = 1,664.27 : x
  2. Step 2: Convert to fraction form
    5,175.48/7,763.81 = 1,664.27/x
  3. Step 3: Cross multiply
    5,175.48x = 7,763.81 × 1,664.27
  4. Step 4: Simplify right side
    5,175.48x = 12,921,028.93
  5. Step 5: Solve for x
    x = 12,921,028.93/5,175.48
  6. Step 6: Final answer
    x = 2,496.59

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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.