Home / 5,436.90-7,503.30-3,198.60

Finding the Fourth Proportional to 5,436.90, 7,503.30 and 3,198.60

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Solution

The fourth proportional to 5,436.90, 7,503.30 and 3,198.60 is: 4,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.90 : 7,503.30 = 3,198.60 : x
  2. Step 2: Convert to fraction form
    5,436.90/7,503.30 = 3,198.60/x
  3. Step 3: Cross multiply
    5,436.90x = 7,503.30 × 3,198.60
  4. Step 4: Simplify right side
    5,436.90x = 24,000,055.38
  5. Step 5: Solve for x
    x = 24,000,055.38/5,436.90
  6. Step 6: Final answer
    x = 4,414.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.