Home / 8,849.80-12,208.26-5,494.60

Finding the Fourth Proportional to 8,849.80, 12,208.26 and 5,494.60

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Solution

The fourth proportional to 8,849.80, 12,208.26 and 5,494.60 is: 7,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.80 : 12,208.26 = 5,494.60 : x
  2. Step 2: Convert to fraction form
    8,849.80/12,208.26 = 5,494.60/x
  3. Step 3: Cross multiply
    8,849.80x = 12,208.26 × 5,494.60
  4. Step 4: Simplify right side
    8,849.80x = 67,079,505.40
  5. Step 5: Solve for x
    x = 67,079,505.40/8,849.80
  6. Step 6: Final answer
    x = 7,579.78

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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.