Home / 8,930.25-13,385.66-3,994.92

Finding the Fourth Proportional to 8,930.25, 13,385.66 and 3,994.92

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Solution

The fourth proportional to 8,930.25, 13,385.66 and 3,994.92 is: 5,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.25 : 13,385.66 = 3,994.92 : x
  2. Step 2: Convert to fraction form
    8,930.25/13,385.66 = 3,994.92/x
  3. Step 3: Cross multiply
    8,930.25x = 13,385.66 × 3,994.92
  4. Step 4: Simplify right side
    8,930.25x = 53,474,620.87
  5. Step 5: Solve for x
    x = 53,474,620.87/8,930.25
  6. Step 6: Final answer
    x = 5,988.03

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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.