Home / 6,923.58-10,385.64-1,993.92

Finding the Fourth Proportional to 6,923.58, 10,385.64 and 1,993.92

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Solution

The fourth proportional to 6,923.58, 10,385.64 and 1,993.92 is: 2,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.58 : 10,385.64 = 1,993.92 : x
  2. Step 2: Convert to fraction form
    6,923.58/10,385.64 = 1,993.92/x
  3. Step 3: Cross multiply
    6,923.58x = 10,385.64 × 1,993.92
  4. Step 4: Simplify right side
    6,923.58x = 20,708,135.31
  5. Step 5: Solve for x
    x = 20,708,135.31/6,923.58
  6. Step 6: Final answer
    x = 2,990.96

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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.