Home / 4,819.40-7,229.10-3,725.90

Finding the Fourth Proportional to 4,819.40, 7,229.10 and 3,725.90

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Solution

The fourth proportional to 4,819.40, 7,229.10 and 3,725.90 is: 5,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.40 : 7,229.10 = 3,725.90 : x
  2. Step 2: Convert to fraction form
    4,819.40/7,229.10 = 3,725.90/x
  3. Step 3: Cross multiply
    4,819.40x = 7,229.10 × 3,725.90
  4. Step 4: Simplify right side
    4,819.40x = 26,934,903.69
  5. Step 5: Solve for x
    x = 26,934,903.69/4,819.40
  6. Step 6: Final answer
    x = 5,588.85

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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.