Home / 4,872-6,723.36-2,777.34

Finding the Fourth Proportional to 4,872, 6,723.36 and 2,777.34

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Solution

The fourth proportional to 4,872, 6,723.36 and 2,777.34 is: 3,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872 : 6,723.36 = 2,777.34 : x
  2. Step 2: Convert to fraction form
    4,872/6,723.36 = 2,777.34/x
  3. Step 3: Cross multiply
    4,872x = 6,723.36 × 2,777.34
  4. Step 4: Simplify right side
    4,872x = 18,673,056.66
  5. Step 5: Solve for x
    x = 18,673,056.66/4,872
  6. Step 6: Final answer
    x = 3,832.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.