Home / 6,920.68-10,380.21-1,923.43

Finding the Fourth Proportional to 6,920.68, 10,380.21 and 1,923.43

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Solution

The fourth proportional to 6,920.68, 10,380.21 and 1,923.43 is: 2,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.68 : 10,380.21 = 1,923.43 : x
  2. Step 2: Convert to fraction form
    6,920.68/10,380.21 = 1,923.43/x
  3. Step 3: Cross multiply
    6,920.68x = 10,380.21 × 1,923.43
  4. Step 4: Simplify right side
    6,920.68x = 19,965,607.32
  5. Step 5: Solve for x
    x = 19,965,607.32/6,920.68
  6. Step 6: Final answer
    x = 2,884.92

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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.