Home / 7,179.44-10,770.24-3,429.68

Finding the Fourth Proportional to 7,179.44, 10,770.24 and 3,429.68

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Solution

The fourth proportional to 7,179.44, 10,770.24 and 3,429.68 is: 5,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.44 : 10,770.24 = 3,429.68 : x
  2. Step 2: Convert to fraction form
    7,179.44/10,770.24 = 3,429.68/x
  3. Step 3: Cross multiply
    7,179.44x = 10,770.24 × 3,429.68
  4. Step 4: Simplify right side
    7,179.44x = 36,938,476.72
  5. Step 5: Solve for x
    x = 36,938,476.72/7,179.44
  6. Step 6: Final answer
    x = 5,145.04

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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.