Home / 5,161.76-7,125.41-3,485.44

Finding the Fourth Proportional to 5,161.76, 7,125.41 and 3,485.44

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Solution

The fourth proportional to 5,161.76, 7,125.41 and 3,485.44 is: 4,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.76 : 7,125.41 = 3,485.44 : x
  2. Step 2: Convert to fraction form
    5,161.76/7,125.41 = 3,485.44/x
  3. Step 3: Cross multiply
    5,161.76x = 7,125.41 × 3,485.44
  4. Step 4: Simplify right side
    5,161.76x = 24,835,146.96
  5. Step 5: Solve for x
    x = 24,835,146.96/5,161.76
  6. Step 6: Final answer
    x = 4,811.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.