Home / 4,727.09-7,082.82-2,872.58

Finding the Fourth Proportional to 4,727.09, 7,082.82 and 2,872.58

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Solution

The fourth proportional to 4,727.09, 7,082.82 and 2,872.58 is: 4,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.09 : 7,082.82 = 2,872.58 : x
  2. Step 2: Convert to fraction form
    4,727.09/7,082.82 = 2,872.58/x
  3. Step 3: Cross multiply
    4,727.09x = 7,082.82 × 2,872.58
  4. Step 4: Simplify right side
    4,727.09x = 20,345,931.66
  5. Step 5: Solve for x
    x = 20,345,931.66/4,727.09
  6. Step 6: Final answer
    x = 4,304.11

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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.