Home / 6,276-8,662.42-3,623.02

Finding the Fourth Proportional to 6,276, 8,662.42 and 3,623.02

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Solution

The fourth proportional to 6,276, 8,662.42 and 3,623.02 is: 5,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276 : 8,662.42 = 3,623.02 : x
  2. Step 2: Convert to fraction form
    6,276/8,662.42 = 3,623.02/x
  3. Step 3: Cross multiply
    6,276x = 8,662.42 × 3,623.02
  4. Step 4: Simplify right side
    6,276x = 31,384,120.91
  5. Step 5: Solve for x
    x = 31,384,120.91/6,276
  6. Step 6: Final answer
    x = 5,000.66

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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.