Home / 5,545.78-8,311.44-2,255.02

Finding the Fourth Proportional to 5,545.78, 8,311.44 and 2,255.02

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Solution

The fourth proportional to 5,545.78, 8,311.44 and 2,255.02 is: 3,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.78 : 8,311.44 = 2,255.02 : x
  2. Step 2: Convert to fraction form
    5,545.78/8,311.44 = 2,255.02/x
  3. Step 3: Cross multiply
    5,545.78x = 8,311.44 × 2,255.02
  4. Step 4: Simplify right side
    5,545.78x = 18,742,463.43
  5. Step 5: Solve for x
    x = 18,742,463.43/5,545.78
  6. Step 6: Final answer
    x = 3,379.59

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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.