Home / 7,322.80-10,976.31-3,164.77

Finding the Fourth Proportional to 7,322.80, 10,976.31 and 3,164.77

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Solution

The fourth proportional to 7,322.80, 10,976.31 and 3,164.77 is: 4,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.80 : 10,976.31 = 3,164.77 : x
  2. Step 2: Convert to fraction form
    7,322.80/10,976.31 = 3,164.77/x
  3. Step 3: Cross multiply
    7,322.80x = 10,976.31 × 3,164.77
  4. Step 4: Simplify right side
    7,322.80x = 34,737,496.60
  5. Step 5: Solve for x
    x = 34,737,496.60/7,322.80
  6. Step 6: Final answer
    x = 4,743.75

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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.