Home / 7,049.80-10,573.08-2,119.33

Finding the Fourth Proportional to 7,049.80, 10,573.08 and 2,119.33

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Solution

The fourth proportional to 7,049.80, 10,573.08 and 2,119.33 is: 3,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.80 : 10,573.08 = 2,119.33 : x
  2. Step 2: Convert to fraction form
    7,049.80/10,573.08 = 2,119.33/x
  3. Step 3: Cross multiply
    7,049.80x = 10,573.08 × 2,119.33
  4. Step 4: Simplify right side
    7,049.80x = 22,407,845.64
  5. Step 5: Solve for x
    x = 22,407,845.64/7,049.80
  6. Step 6: Final answer
    x = 3,178.51

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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.