Home / 7,120.14-10,673.70-3,169.32

Finding the Fourth Proportional to 7,120.14, 10,673.70 and 3,169.32

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Solution

The fourth proportional to 7,120.14, 10,673.70 and 3,169.32 is: 4,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.14 : 10,673.70 = 3,169.32 : x
  2. Step 2: Convert to fraction form
    7,120.14/10,673.70 = 3,169.32/x
  3. Step 3: Cross multiply
    7,120.14x = 10,673.70 × 3,169.32
  4. Step 4: Simplify right side
    7,120.14x = 33,828,370.88
  5. Step 5: Solve for x
    x = 33,828,370.88/7,120.14
  6. Step 6: Final answer
    x = 4,751.08

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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.