Home / 8,153.43-12,230.37-2,606.91

Finding the Fourth Proportional to 8,153.43, 12,230.37 and 2,606.91

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Solution

The fourth proportional to 8,153.43, 12,230.37 and 2,606.91 is: 3,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.43 : 12,230.37 = 2,606.91 : x
  2. Step 2: Convert to fraction form
    8,153.43/12,230.37 = 2,606.91/x
  3. Step 3: Cross multiply
    8,153.43x = 12,230.37 × 2,606.91
  4. Step 4: Simplify right side
    8,153.43x = 31,883,473.86
  5. Step 5: Solve for x
    x = 31,883,473.86/8,153.43
  6. Step 6: Final answer
    x = 3,910.44

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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.