Home / 7,179.20-10,765.56-2,247.68

Finding the Fourth Proportional to 7,179.20, 10,765.56 and 2,247.68

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Solution

The fourth proportional to 7,179.20, 10,765.56 and 2,247.68 is: 3,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.20 : 10,765.56 = 2,247.68 : x
  2. Step 2: Convert to fraction form
    7,179.20/10,765.56 = 2,247.68/x
  3. Step 3: Cross multiply
    7,179.20x = 10,765.56 × 2,247.68
  4. Step 4: Simplify right side
    7,179.20x = 24,197,533.90
  5. Step 5: Solve for x
    x = 24,197,533.90/7,179.20
  6. Step 6: Final answer
    x = 3,370.51

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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.