Home / 6,922.26-10,384.94-1,991.52

Finding the Fourth Proportional to 6,922.26, 10,384.94 and 1,991.52

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Solution

The fourth proportional to 6,922.26, 10,384.94 and 1,991.52 is: 2,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.26 : 10,384.94 = 1,991.52 : x
  2. Step 2: Convert to fraction form
    6,922.26/10,384.94 = 1,991.52/x
  3. Step 3: Cross multiply
    6,922.26x = 10,384.94 × 1,991.52
  4. Step 4: Simplify right side
    6,922.26x = 20,681,820.69
  5. Step 5: Solve for x
    x = 20,681,820.69/6,922.26
  6. Step 6: Final answer
    x = 2,987.73

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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.