Home / 7,440.63-11,161.27-3,279.69

Finding the Fourth Proportional to 7,440.63, 11,161.27 and 3,279.69

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Solution

The fourth proportional to 7,440.63, 11,161.27 and 3,279.69 is: 4,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.63 : 11,161.27 = 3,279.69 : x
  2. Step 2: Convert to fraction form
    7,440.63/11,161.27 = 3,279.69/x
  3. Step 3: Cross multiply
    7,440.63x = 11,161.27 × 3,279.69
  4. Step 4: Simplify right side
    7,440.63x = 36,605,500.48
  5. Step 5: Solve for x
    x = 36,605,500.48/7,440.63
  6. Step 6: Final answer
    x = 4,919.67

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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.