Home / 8,949.58-13,403.93-4,272.88

Finding the Fourth Proportional to 8,949.58, 13,403.93 and 4,272.88

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Solution

The fourth proportional to 8,949.58, 13,403.93 and 4,272.88 is: 6,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.58 : 13,403.93 = 4,272.88 : x
  2. Step 2: Convert to fraction form
    8,949.58/13,403.93 = 4,272.88/x
  3. Step 3: Cross multiply
    8,949.58x = 13,403.93 × 4,272.88
  4. Step 4: Simplify right side
    8,949.58x = 57,273,329.54
  5. Step 5: Solve for x
    x = 57,273,329.54/8,949.58
  6. Step 6: Final answer
    x = 6,399.56

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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.