Home / 6,891.22-10,340.37-3,381.17

Finding the Fourth Proportional to 6,891.22, 10,340.37 and 3,381.17

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Solution

The fourth proportional to 6,891.22, 10,340.37 and 3,381.17 is: 5,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.22 : 10,340.37 = 3,381.17 : x
  2. Step 2: Convert to fraction form
    6,891.22/10,340.37 = 3,381.17/x
  3. Step 3: Cross multiply
    6,891.22x = 10,340.37 × 3,381.17
  4. Step 4: Simplify right side
    6,891.22x = 34,962,548.83
  5. Step 5: Solve for x
    x = 34,962,548.83/6,891.22
  6. Step 6: Final answer
    x = 5,073.49

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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.