Home / 4,872.79-7,297.80-2,399.66

Finding the Fourth Proportional to 4,872.79, 7,297.80 and 2,399.66

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Solution

The fourth proportional to 4,872.79, 7,297.80 and 2,399.66 is: 3,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.79 : 7,297.80 = 2,399.66 : x
  2. Step 2: Convert to fraction form
    4,872.79/7,297.80 = 2,399.66/x
  3. Step 3: Cross multiply
    4,872.79x = 7,297.80 × 2,399.66
  4. Step 4: Simplify right side
    4,872.79x = 17,512,220.63
  5. Step 5: Solve for x
    x = 17,512,220.63/4,872.79
  6. Step 6: Final answer
    x = 3,593.88

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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.