Home / 4,712.72-7,069.32-1,791.26

Finding the Fourth Proportional to 4,712.72, 7,069.32 and 1,791.26

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Solution

The fourth proportional to 4,712.72, 7,069.32 and 1,791.26 is: 2,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.72 : 7,069.32 = 1,791.26 : x
  2. Step 2: Convert to fraction form
    4,712.72/7,069.32 = 1,791.26/x
  3. Step 3: Cross multiply
    4,712.72x = 7,069.32 × 1,791.26
  4. Step 4: Simplify right side
    4,712.72x = 12,662,954.80
  5. Step 5: Solve for x
    x = 12,662,954.80/4,712.72
  6. Step 6: Final answer
    x = 2,686.97

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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.