Home / 6,872.17-10,304.41-2,191.33

Finding the Fourth Proportional to 6,872.17, 10,304.41 and 2,191.33

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Solution

The fourth proportional to 6,872.17, 10,304.41 and 2,191.33 is: 3,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.17 : 10,304.41 = 2,191.33 : x
  2. Step 2: Convert to fraction form
    6,872.17/10,304.41 = 2,191.33/x
  3. Step 3: Cross multiply
    6,872.17x = 10,304.41 × 2,191.33
  4. Step 4: Simplify right side
    6,872.17x = 22,580,351.81
  5. Step 5: Solve for x
    x = 22,580,351.81/6,872.17
  6. Step 6: Final answer
    x = 3,285.77

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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.