Home / 7,365.80-11,054.48-2,986.34

Finding the Fourth Proportional to 7,365.80, 11,054.48 and 2,986.34

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Solution

The fourth proportional to 7,365.80, 11,054.48 and 2,986.34 is: 4,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.80 : 11,054.48 = 2,986.34 : x
  2. Step 2: Convert to fraction form
    7,365.80/11,054.48 = 2,986.34/x
  3. Step 3: Cross multiply
    7,365.80x = 11,054.48 × 2,986.34
  4. Step 4: Simplify right side
    7,365.80x = 33,012,365.60
  5. Step 5: Solve for x
    x = 33,012,365.60/7,365.80
  6. Step 6: Final answer
    x = 4,481.84

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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.