Home / 4,387.96-6,607.69-3,163.87

Finding the Fourth Proportional to 4,387.96, 6,607.69 and 3,163.87

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Solution

The fourth proportional to 4,387.96, 6,607.69 and 3,163.87 is: 4,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.96 : 6,607.69 = 3,163.87 : x
  2. Step 2: Convert to fraction form
    4,387.96/6,607.69 = 3,163.87/x
  3. Step 3: Cross multiply
    4,387.96x = 6,607.69 × 3,163.87
  4. Step 4: Simplify right side
    4,387.96x = 20,905,872.16
  5. Step 5: Solve for x
    x = 20,905,872.16/4,387.96
  6. Step 6: Final answer
    x = 4,764.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.