Home / 4,231.80-6,347.70-3,310.20

Finding the Fourth Proportional to 4,231.80, 6,347.70 and 3,310.20

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Solution

The fourth proportional to 4,231.80, 6,347.70 and 3,310.20 is: 4,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.80 : 6,347.70 = 3,310.20 : x
  2. Step 2: Convert to fraction form
    4,231.80/6,347.70 = 3,310.20/x
  3. Step 3: Cross multiply
    4,231.80x = 6,347.70 × 3,310.20
  4. Step 4: Simplify right side
    4,231.80x = 21,012,156.54
  5. Step 5: Solve for x
    x = 21,012,156.54/4,231.80
  6. Step 6: Final answer
    x = 4,965.30

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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.