Home / 5,442.45-8,163.67-3,605.23

Finding the Fourth Proportional to 5,442.45, 8,163.67 and 3,605.23

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Solution

The fourth proportional to 5,442.45, 8,163.67 and 3,605.23 is: 5,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.45 : 8,163.67 = 3,605.23 : x
  2. Step 2: Convert to fraction form
    5,442.45/8,163.67 = 3,605.23/x
  3. Step 3: Cross multiply
    5,442.45x = 8,163.67 × 3,605.23
  4. Step 4: Simplify right side
    5,442.45x = 29,431,907.99
  5. Step 5: Solve for x
    x = 29,431,907.99/5,442.45
  6. Step 6: Final answer
    x = 5,407.84

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Half scale
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Similar ratio
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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.