Home / 7,955.80-11,933.24-2,690.58

Finding the Fourth Proportional to 7,955.80, 11,933.24 and 2,690.58

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Solution

The fourth proportional to 7,955.80, 11,933.24 and 2,690.58 is: 4,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.80 : 11,933.24 = 2,690.58 : x
  2. Step 2: Convert to fraction form
    7,955.80/11,933.24 = 2,690.58/x
  3. Step 3: Cross multiply
    7,955.80x = 11,933.24 × 2,690.58
  4. Step 4: Simplify right side
    7,955.80x = 32,107,336.88
  5. Step 5: Solve for x
    x = 32,107,336.88/7,955.80
  6. Step 6: Final answer
    x = 4,035.71

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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.