Home / 6,275.80-8,661.18-3,623.50

Finding the Fourth Proportional to 6,275.80, 8,661.18 and 3,623.50

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Solution

The fourth proportional to 6,275.80, 8,661.18 and 3,623.50 is: 5,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.80 : 8,661.18 = 3,623.50 : x
  2. Step 2: Convert to fraction form
    6,275.80/8,661.18 = 3,623.50/x
  3. Step 3: Cross multiply
    6,275.80x = 8,661.18 × 3,623.50
  4. Step 4: Simplify right side
    6,275.80x = 31,383,785.73
  5. Step 5: Solve for x
    x = 31,383,785.73/6,275.80
  6. Step 6: Final answer
    x = 5,000.76

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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.