Home / 4,310.60-6,456.30-3,331.40

Finding the Fourth Proportional to 4,310.60, 6,456.30 and 3,331.40

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Solution

The fourth proportional to 4,310.60, 6,456.30 and 3,331.40 is: 4,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.60 : 6,456.30 = 3,331.40 : x
  2. Step 2: Convert to fraction form
    4,310.60/6,456.30 = 3,331.40/x
  3. Step 3: Cross multiply
    4,310.60x = 6,456.30 × 3,331.40
  4. Step 4: Simplify right side
    4,310.60x = 21,508,517.82
  5. Step 5: Solve for x
    x = 21,508,517.82/4,310.60
  6. Step 6: Final answer
    x = 4,989.68

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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.