Home / 5,545.54-8,318.79-1,847.80

Finding the Fourth Proportional to 5,545.54, 8,318.79 and 1,847.80

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Solution

The fourth proportional to 5,545.54, 8,318.79 and 1,847.80 is: 2,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.54 : 8,318.79 = 1,847.80 : x
  2. Step 2: Convert to fraction form
    5,545.54/8,318.79 = 1,847.80/x
  3. Step 3: Cross multiply
    5,545.54x = 8,318.79 × 1,847.80
  4. Step 4: Simplify right side
    5,545.54x = 15,371,460.16
  5. Step 5: Solve for x
    x = 15,371,460.16/5,545.54
  6. Step 6: Final answer
    x = 2,771.86

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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.