Home / 7,680.40-11,524.31-3,735.02

Finding the Fourth Proportional to 7,680.40, 11,524.31 and 3,735.02

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Solution

The fourth proportional to 7,680.40, 11,524.31 and 3,735.02 is: 5,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.40 : 11,524.31 = 3,735.02 : x
  2. Step 2: Convert to fraction form
    7,680.40/11,524.31 = 3,735.02/x
  3. Step 3: Cross multiply
    7,680.40x = 11,524.31 × 3,735.02
  4. Step 4: Simplify right side
    7,680.40x = 43,043,509.66
  5. Step 5: Solve for x
    x = 43,043,509.66/7,680.40
  6. Step 6: Final answer
    x = 5,604.34

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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.