Home / 7,190.88-10,770.73-3,485.35

Finding the Fourth Proportional to 7,190.88, 10,770.73 and 3,485.35

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Solution

The fourth proportional to 7,190.88, 10,770.73 and 3,485.35 is: 5,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.88 : 10,770.73 = 3,485.35 : x
  2. Step 2: Convert to fraction form
    7,190.88/10,770.73 = 3,485.35/x
  3. Step 3: Cross multiply
    7,190.88x = 10,770.73 × 3,485.35
  4. Step 4: Simplify right side
    7,190.88x = 37,539,799.45
  5. Step 5: Solve for x
    x = 37,539,799.45/7,190.88
  6. Step 6: Final answer
    x = 5,220.48

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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.