Home / 4,276.20-6,405.66-3,498.60

Finding the Fourth Proportional to 4,276.20, 6,405.66 and 3,498.60

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Solution

The fourth proportional to 4,276.20, 6,405.66 and 3,498.60 is: 5,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.20 : 6,405.66 = 3,498.60 : x
  2. Step 2: Convert to fraction form
    4,276.20/6,405.66 = 3,498.60/x
  3. Step 3: Cross multiply
    4,276.20x = 6,405.66 × 3,498.60
  4. Step 4: Simplify right side
    4,276.20x = 22,410,842.08
  5. Step 5: Solve for x
    x = 22,410,842.08/4,276.20
  6. Step 6: Final answer
    x = 5,240.83

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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.