Home / 4,545.68-6,819.40-1,772.24

Finding the Fourth Proportional to 4,545.68, 6,819.40 and 1,772.24

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Solution

The fourth proportional to 4,545.68, 6,819.40 and 1,772.24 is: 2,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.68 : 6,819.40 = 1,772.24 : x
  2. Step 2: Convert to fraction form
    4,545.68/6,819.40 = 1,772.24/x
  3. Step 3: Cross multiply
    4,545.68x = 6,819.40 × 1,772.24
  4. Step 4: Simplify right side
    4,545.68x = 12,085,613.46
  5. Step 5: Solve for x
    x = 12,085,613.46/4,545.68
  6. Step 6: Final answer
    x = 2,658.70

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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.