Home / 4,178.65-6,255.68-3,087.88

Finding the Fourth Proportional to 4,178.65, 6,255.68 and 3,087.88

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Solution

The fourth proportional to 4,178.65, 6,255.68 and 3,087.88 is: 4,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.65 : 6,255.68 = 3,087.88 : x
  2. Step 2: Convert to fraction form
    4,178.65/6,255.68 = 3,087.88/x
  3. Step 3: Cross multiply
    4,178.65x = 6,255.68 × 3,087.88
  4. Step 4: Simplify right side
    4,178.65x = 19,316,773.72
  5. Step 5: Solve for x
    x = 19,316,773.72/4,178.65
  6. Step 6: Final answer
    x = 4,622.73

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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.