Home / 7,799.40-11,690.82-3,634.56

Finding the Fourth Proportional to 7,799.40, 11,690.82 and 3,634.56

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Solution

The fourth proportional to 7,799.40, 11,690.82 and 3,634.56 is: 5,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.40 : 11,690.82 = 3,634.56 : x
  2. Step 2: Convert to fraction form
    7,799.40/11,690.82 = 3,634.56/x
  3. Step 3: Cross multiply
    7,799.40x = 11,690.82 × 3,634.56
  4. Step 4: Simplify right side
    7,799.40x = 42,490,986.74
  5. Step 5: Solve for x
    x = 42,490,986.74/7,799.40
  6. Step 6: Final answer
    x = 5,447.98

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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.