Home / 5,620.94-7,756.80-3,103.31

Finding the Fourth Proportional to 5,620.94, 7,756.80 and 3,103.31

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Solution

The fourth proportional to 5,620.94, 7,756.80 and 3,103.31 is: 4,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.94 : 7,756.80 = 3,103.31 : x
  2. Step 2: Convert to fraction form
    5,620.94/7,756.80 = 3,103.31/x
  3. Step 3: Cross multiply
    5,620.94x = 7,756.80 × 3,103.31
  4. Step 4: Simplify right side
    5,620.94x = 24,071,716.22
  5. Step 5: Solve for x
    x = 24,071,716.22/5,620.94
  6. Step 6: Final answer
    x = 4,282.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.