Home / 4,932.80-7,398.20-1,811.73

Finding the Fourth Proportional to 4,932.80, 7,398.20 and 1,811.73

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Solution

The fourth proportional to 4,932.80, 7,398.20 and 1,811.73 is: 2,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.80 : 7,398.20 = 1,811.73 : x
  2. Step 2: Convert to fraction form
    4,932.80/7,398.20 = 1,811.73/x
  3. Step 3: Cross multiply
    4,932.80x = 7,398.20 × 1,811.73
  4. Step 4: Simplify right side
    4,932.80x = 13,403,531.83
  5. Step 5: Solve for x
    x = 13,403,531.83/4,932.80
  6. Step 6: Final answer
    x = 2,717.23

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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.