Home / 6,626.30-9,939.38-1,695.90

Finding the Fourth Proportional to 6,626.30, 9,939.38 and 1,695.90

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Solution

The fourth proportional to 6,626.30, 9,939.38 and 1,695.90 is: 2,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.30 : 9,939.38 = 1,695.90 : x
  2. Step 2: Convert to fraction form
    6,626.30/9,939.38 = 1,695.90/x
  3. Step 3: Cross multiply
    6,626.30x = 9,939.38 × 1,695.90
  4. Step 4: Simplify right side
    6,626.30x = 16,856,194.54
  5. Step 5: Solve for x
    x = 16,856,194.54/6,626.30
  6. Step 6: Final answer
    x = 2,543.83

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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.