Home / 6,884.68-10,326.86-2,991.88

Finding the Fourth Proportional to 6,884.68, 10,326.86 and 2,991.88

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Solution

The fourth proportional to 6,884.68, 10,326.86 and 2,991.88 is: 4,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.68 : 10,326.86 = 2,991.88 : x
  2. Step 2: Convert to fraction form
    6,884.68/10,326.86 = 2,991.88/x
  3. Step 3: Cross multiply
    6,884.68x = 10,326.86 × 2,991.88
  4. Step 4: Simplify right side
    6,884.68x = 30,896,725.90
  5. Step 5: Solve for x
    x = 30,896,725.90/6,884.68
  6. Step 6: Final answer
    x = 4,487.75

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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.