Home / 8,129.27-12,183.91-4,622.22

Finding the Fourth Proportional to 8,129.27, 12,183.91 and 4,622.22

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Solution

The fourth proportional to 8,129.27, 12,183.91 and 4,622.22 is: 6,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.27 : 12,183.91 = 4,622.22 : x
  2. Step 2: Convert to fraction form
    8,129.27/12,183.91 = 4,622.22/x
  3. Step 3: Cross multiply
    8,129.27x = 12,183.91 × 4,622.22
  4. Step 4: Simplify right side
    8,129.27x = 56,316,700.92
  5. Step 5: Solve for x
    x = 56,316,700.92/8,129.27
  6. Step 6: Final answer
    x = 6,927.64

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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.