Home / 6,872.84-10,310.79-2,193.11

Finding the Fourth Proportional to 6,872.84, 10,310.79 and 2,193.11

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Solution

The fourth proportional to 6,872.84, 10,310.79 and 2,193.11 is: 3,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.84 : 10,310.79 = 2,193.11 : x
  2. Step 2: Convert to fraction form
    6,872.84/10,310.79 = 2,193.11/x
  3. Step 3: Cross multiply
    6,872.84x = 10,310.79 × 2,193.11
  4. Step 4: Simplify right side
    6,872.84x = 22,612,735.49
  5. Step 5: Solve for x
    x = 22,612,735.49/6,872.84
  6. Step 6: Final answer
    x = 3,290.16

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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.