Home / 8,161.51-12,248.42-3,782.04

Finding the Fourth Proportional to 8,161.51, 12,248.42 and 3,782.04

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Solution

The fourth proportional to 8,161.51, 12,248.42 and 3,782.04 is: 5,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.51 : 12,248.42 = 3,782.04 : x
  2. Step 2: Convert to fraction form
    8,161.51/12,248.42 = 3,782.04/x
  3. Step 3: Cross multiply
    8,161.51x = 12,248.42 × 3,782.04
  4. Step 4: Simplify right side
    8,161.51x = 46,324,014.38
  5. Step 5: Solve for x
    x = 46,324,014.38/8,161.51
  6. Step 6: Final answer
    x = 5,675.91

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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.