Home / 7,749.54-11,620.20-3,069.36

Finding the Fourth Proportional to 7,749.54, 11,620.20 and 3,069.36

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Solution

The fourth proportional to 7,749.54, 11,620.20 and 3,069.36 is: 4,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.54 : 11,620.20 = 3,069.36 : x
  2. Step 2: Convert to fraction form
    7,749.54/11,620.20 = 3,069.36/x
  3. Step 3: Cross multiply
    7,749.54x = 11,620.20 × 3,069.36
  4. Step 4: Simplify right side
    7,749.54x = 35,666,577.07
  5. Step 5: Solve for x
    x = 35,666,577.07/7,749.54
  6. Step 6: Final answer
    x = 4,602.41

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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.