Home / 4,545.56-6,819.54-1,425.68

Finding the Fourth Proportional to 4,545.56, 6,819.54 and 1,425.68

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Solution

The fourth proportional to 4,545.56, 6,819.54 and 1,425.68 is: 2,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.56 : 6,819.54 = 1,425.68 : x
  2. Step 2: Convert to fraction form
    4,545.56/6,819.54 = 1,425.68/x
  3. Step 3: Cross multiply
    4,545.56x = 6,819.54 × 1,425.68
  4. Step 4: Simplify right side
    4,545.56x = 9,722,447.69
  5. Step 5: Solve for x
    x = 9,722,447.69/4,545.56
  6. Step 6: Final answer
    x = 2,138.89

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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.