Home / 6,891.88-10,331.34-3,425.32

Finding the Fourth Proportional to 6,891.88, 10,331.34 and 3,425.32

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Solution

The fourth proportional to 6,891.88, 10,331.34 and 3,425.32 is: 5,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.88 : 10,331.34 = 3,425.32 : x
  2. Step 2: Convert to fraction form
    6,891.88/10,331.34 = 3,425.32/x
  3. Step 3: Cross multiply
    6,891.88x = 10,331.34 × 3,425.32
  4. Step 4: Simplify right side
    6,891.88x = 35,388,145.53
  5. Step 5: Solve for x
    x = 35,388,145.53/6,891.88
  6. Step 6: Final answer
    x = 5,134.76

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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.