Home / 4,545.95-6,819.87-1,425.71

Finding the Fourth Proportional to 4,545.95, 6,819.87 and 1,425.71

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Solution

The fourth proportional to 4,545.95, 6,819.87 and 1,425.71 is: 2,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.95 : 6,819.87 = 1,425.71 : x
  2. Step 2: Convert to fraction form
    4,545.95/6,819.87 = 1,425.71/x
  3. Step 3: Cross multiply
    4,545.95x = 6,819.87 × 1,425.71
  4. Step 4: Simplify right side
    4,545.95x = 9,723,122.76
  5. Step 5: Solve for x
    x = 9,723,122.76/4,545.95
  6. Step 6: Final answer
    x = 2,138.86

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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.