Home / 8,167.80-12,246.44-3,490.86

Finding the Fourth Proportional to 8,167.80, 12,246.44 and 3,490.86

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Solution

The fourth proportional to 8,167.80, 12,246.44 and 3,490.86 is: 5,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.80 : 12,246.44 = 3,490.86 : x
  2. Step 2: Convert to fraction form
    8,167.80/12,246.44 = 3,490.86/x
  3. Step 3: Cross multiply
    8,167.80x = 12,246.44 × 3,490.86
  4. Step 4: Simplify right side
    8,167.80x = 42,750,607.54
  5. Step 5: Solve for x
    x = 42,750,607.54/8,167.80
  6. Step 6: Final answer
    x = 5,234.04

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1.5x scale

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.