Home / 7,178.88-10,772.04-2,965.26

Finding the Fourth Proportional to 7,178.88, 10,772.04 and 2,965.26

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Solution

The fourth proportional to 7,178.88, 10,772.04 and 2,965.26 is: 4,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.88 : 10,772.04 = 2,965.26 : x
  2. Step 2: Convert to fraction form
    7,178.88/10,772.04 = 2,965.26/x
  3. Step 3: Cross multiply
    7,178.88x = 10,772.04 × 2,965.26
  4. Step 4: Simplify right side
    7,178.88x = 31,941,899.33
  5. Step 5: Solve for x
    x = 31,941,899.33/7,178.88
  6. Step 6: Final answer
    x = 4,449.43

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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.