Home / 6,747.09-10,121.48-3,622.80

Finding the Fourth Proportional to 6,747.09, 10,121.48 and 3,622.80

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Solution

The fourth proportional to 6,747.09, 10,121.48 and 3,622.80 is: 5,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.09 : 10,121.48 = 3,622.80 : x
  2. Step 2: Convert to fraction form
    6,747.09/10,121.48 = 3,622.80/x
  3. Step 3: Cross multiply
    6,747.09x = 10,121.48 × 3,622.80
  4. Step 4: Simplify right side
    6,747.09x = 36,668,097.74
  5. Step 5: Solve for x
    x = 36,668,097.74/6,747.09
  6. Step 6: Final answer
    x = 5,434.65

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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.