Home / 4,178.12-6,265.92-2,620.50

Finding the Fourth Proportional to 4,178.12, 6,265.92 and 2,620.50

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Solution

The fourth proportional to 4,178.12, 6,265.92 and 2,620.50 is: 3,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.12 : 6,265.92 = 2,620.50 : x
  2. Step 2: Convert to fraction form
    4,178.12/6,265.92 = 2,620.50/x
  3. Step 3: Cross multiply
    4,178.12x = 6,265.92 × 2,620.50
  4. Step 4: Simplify right side
    4,178.12x = 16,419,843.36
  5. Step 5: Solve for x
    x = 16,419,843.36/4,178.12
  6. Step 6: Final answer
    x = 3,929.96

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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.