Home / 4,246.40-6,355.20-3,900.80

Finding the Fourth Proportional to 4,246.40, 6,355.20 and 3,900.80

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Solution

The fourth proportional to 4,246.40, 6,355.20 and 3,900.80 is: 5,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.40 : 6,355.20 = 3,900.80 : x
  2. Step 2: Convert to fraction form
    4,246.40/6,355.20 = 3,900.80/x
  3. Step 3: Cross multiply
    4,246.40x = 6,355.20 × 3,900.80
  4. Step 4: Simplify right side
    4,246.40x = 24,790,364.16
  5. Step 5: Solve for x
    x = 24,790,364.16/4,246.40
  6. Step 6: Final answer
    x = 5,837.97

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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.