Home / 7,542.20-11,319.43-3,162.73

Finding the Fourth Proportional to 7,542.20, 11,319.43 and 3,162.73

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Solution

The fourth proportional to 7,542.20, 11,319.43 and 3,162.73 is: 4,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.20 : 11,319.43 = 3,162.73 : x
  2. Step 2: Convert to fraction form
    7,542.20/11,319.43 = 3,162.73/x
  3. Step 3: Cross multiply
    7,542.20x = 11,319.43 × 3,162.73
  4. Step 4: Simplify right side
    7,542.20x = 35,800,300.84
  5. Step 5: Solve for x
    x = 35,800,300.84/7,542.20
  6. Step 6: Final answer
    x = 4,746.67

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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.