Home / 7,079.20-10,629.60-4,163.20

Finding the Fourth Proportional to 7,079.20, 10,629.60 and 4,163.20

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Solution

The fourth proportional to 7,079.20, 10,629.60 and 4,163.20 is: 6,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.20 : 10,629.60 = 4,163.20 : x
  2. Step 2: Convert to fraction form
    7,079.20/10,629.60 = 4,163.20/x
  3. Step 3: Cross multiply
    7,079.20x = 10,629.60 × 4,163.20
  4. Step 4: Simplify right side
    7,079.20x = 44,253,150.72
  5. Step 5: Solve for x
    x = 44,253,150.72/7,079.20
  6. Step 6: Final answer
    x = 6,251.15

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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.