Home / 8,185.80-12,268.98-4,900.44

Finding the Fourth Proportional to 8,185.80, 12,268.98 and 4,900.44

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Solution

The fourth proportional to 8,185.80, 12,268.98 and 4,900.44 is: 7,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.80 : 12,268.98 = 4,900.44 : x
  2. Step 2: Convert to fraction form
    8,185.80/12,268.98 = 4,900.44/x
  3. Step 3: Cross multiply
    8,185.80x = 12,268.98 × 4,900.44
  4. Step 4: Simplify right side
    8,185.80x = 60,123,400.35
  5. Step 5: Solve for x
    x = 60,123,400.35/8,185.80
  6. Step 6: Final answer
    x = 7,344.84

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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.