Home / 4,932.45-7,399.79-1,645.67

Finding the Fourth Proportional to 4,932.45, 7,399.79 and 1,645.67

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Solution

The fourth proportional to 4,932.45, 7,399.79 and 1,645.67 is: 2,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.45 : 7,399.79 = 1,645.67 : x
  2. Step 2: Convert to fraction form
    4,932.45/7,399.79 = 1,645.67/x
  3. Step 3: Cross multiply
    4,932.45x = 7,399.79 × 1,645.67
  4. Step 4: Simplify right side
    4,932.45x = 12,177,612.41
  5. Step 5: Solve for x
    x = 12,177,612.41/4,932.45
  6. Step 6: Final answer
    x = 2,468.88

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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.