Home / 4,310.55-6,469.11-2,920.59

Finding the Fourth Proportional to 4,310.55, 6,469.11 and 2,920.59

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Solution

The fourth proportional to 4,310.55, 6,469.11 and 2,920.59 is: 4,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.55 : 6,469.11 = 2,920.59 : x
  2. Step 2: Convert to fraction form
    4,310.55/6,469.11 = 2,920.59/x
  3. Step 3: Cross multiply
    4,310.55x = 6,469.11 × 2,920.59
  4. Step 4: Simplify right side
    4,310.55x = 18,893,617.97
  5. Step 5: Solve for x
    x = 18,893,617.97/4,310.55
  6. Step 6: Final answer
    x = 4,383.11

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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.