Home / 7,173.20-10,744.68-3,280.88

Finding the Fourth Proportional to 7,173.20, 10,744.68 and 3,280.88

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Solution

The fourth proportional to 7,173.20, 10,744.68 and 3,280.88 is: 4,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.20 : 10,744.68 = 3,280.88 : x
  2. Step 2: Convert to fraction form
    7,173.20/10,744.68 = 3,280.88/x
  3. Step 3: Cross multiply
    7,173.20x = 10,744.68 × 3,280.88
  4. Step 4: Simplify right side
    7,173.20x = 35,252,005.72
  5. Step 5: Solve for x
    x = 35,252,005.72/7,173.20
  6. Step 6: Final answer
    x = 4,914.40

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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.