Home / 5,548.40-8,311.80-3,350.60

Finding the Fourth Proportional to 5,548.40, 8,311.80 and 3,350.60

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Solution

The fourth proportional to 5,548.40, 8,311.80 and 3,350.60 is: 5,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.40 : 8,311.80 = 3,350.60 : x
  2. Step 2: Convert to fraction form
    5,548.40/8,311.80 = 3,350.60/x
  3. Step 3: Cross multiply
    5,548.40x = 8,311.80 × 3,350.60
  4. Step 4: Simplify right side
    5,548.40x = 27,849,517.08
  5. Step 5: Solve for x
    x = 27,849,517.08/5,548.40
  6. Step 6: Final answer
    x = 5,019.38

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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.