Home / 7,523.20-11,279.04-6,751.36

Finding the Fourth Proportional to 7,523.20, 11,279.04 and 6,751.36

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Solution

The fourth proportional to 7,523.20, 11,279.04 and 6,751.36 is: 10,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.20 : 11,279.04 = 6,751.36 : x
  2. Step 2: Convert to fraction form
    7,523.20/11,279.04 = 6,751.36/x
  3. Step 3: Cross multiply
    7,523.20x = 11,279.04 × 6,751.36
  4. Step 4: Simplify right side
    7,523.20x = 76,148,859.49
  5. Step 5: Solve for x
    x = 76,148,859.49/7,523.20
  6. Step 6: Final answer
    x = 10,121.87

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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.