Home / 7,180.80-10,771.18-2,250.46

Finding the Fourth Proportional to 7,180.80, 10,771.18 and 2,250.46

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Solution

The fourth proportional to 7,180.80, 10,771.18 and 2,250.46 is: 3,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.80 : 10,771.18 = 2,250.46 : x
  2. Step 2: Convert to fraction form
    7,180.80/10,771.18 = 2,250.46/x
  3. Step 3: Cross multiply
    7,180.80x = 10,771.18 × 2,250.46
  4. Step 4: Simplify right side
    7,180.80x = 24,240,109.74
  5. Step 5: Solve for x
    x = 24,240,109.74/7,180.80
  6. Step 6: Final answer
    x = 3,375.68

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1.5x scale

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.