Home / 4,240.88-6,352.82-2,160.80

Finding the Fourth Proportional to 4,240.88, 6,352.82 and 2,160.80

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Solution

The fourth proportional to 4,240.88, 6,352.82 and 2,160.80 is: 3,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.88 : 6,352.82 = 2,160.80 : x
  2. Step 2: Convert to fraction form
    4,240.88/6,352.82 = 2,160.80/x
  3. Step 3: Cross multiply
    4,240.88x = 6,352.82 × 2,160.80
  4. Step 4: Simplify right side
    4,240.88x = 13,727,166.62
  5. Step 5: Solve for x
    x = 13,727,166.62/4,240.88
  6. Step 6: Final answer
    x = 3,236.87

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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.