Home / 8,133.91-12,190.86-4,626.86

Finding the Fourth Proportional to 8,133.91, 12,190.86 and 4,626.86

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Solution

The fourth proportional to 8,133.91, 12,190.86 and 4,626.86 is: 6,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.91 : 12,190.86 = 4,626.86 : x
  2. Step 2: Convert to fraction form
    8,133.91/12,190.86 = 4,626.86/x
  3. Step 3: Cross multiply
    8,133.91x = 12,190.86 × 4,626.86
  4. Step 4: Simplify right side
    8,133.91x = 56,405,341.55
  5. Step 5: Solve for x
    x = 56,405,341.55/8,133.91
  6. Step 6: Final answer
    x = 6,934.59

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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.