Home / 7,170.24-10,755.04-1,976.32

Finding the Fourth Proportional to 7,170.24, 10,755.04 and 1,976.32

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Solution

The fourth proportional to 7,170.24, 10,755.04 and 1,976.32 is: 2,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.24 : 10,755.04 = 1,976.32 : x
  2. Step 2: Convert to fraction form
    7,170.24/10,755.04 = 1,976.32/x
  3. Step 3: Cross multiply
    7,170.24x = 10,755.04 × 1,976.32
  4. Step 4: Simplify right side
    7,170.24x = 21,255,400.65
  5. Step 5: Solve for x
    x = 21,255,400.65/7,170.24
  6. Step 6: Final answer
    x = 2,964.39

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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.