Home / 4,674.20-7,011.30-4,163.90

Finding the Fourth Proportional to 4,674.20, 7,011.30 and 4,163.90

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Solution

The fourth proportional to 4,674.20, 7,011.30 and 4,163.90 is: 6,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.20 : 7,011.30 = 4,163.90 : x
  2. Step 2: Convert to fraction form
    4,674.20/7,011.30 = 4,163.90/x
  3. Step 3: Cross multiply
    4,674.20x = 7,011.30 × 4,163.90
  4. Step 4: Simplify right side
    4,674.20x = 29,194,352.07
  5. Step 5: Solve for x
    x = 29,194,352.07/4,674.20
  6. Step 6: Final answer
    x = 6,245.85

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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.