Home / 8,545.22-12,822.42-3,618.26

Finding the Fourth Proportional to 8,545.22, 12,822.42 and 3,618.26

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Solution

The fourth proportional to 8,545.22, 12,822.42 and 3,618.26 is: 5,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.22 : 12,822.42 = 3,618.26 : x
  2. Step 2: Convert to fraction form
    8,545.22/12,822.42 = 3,618.26/x
  3. Step 3: Cross multiply
    8,545.22x = 12,822.42 × 3,618.26
  4. Step 4: Simplify right side
    8,545.22x = 46,394,849.39
  5. Step 5: Solve for x
    x = 46,394,849.39/8,545.22
  6. Step 6: Final answer
    x = 5,429.33

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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.