Home / 8,153.10-12,229.44-2,606.76

Finding the Fourth Proportional to 8,153.10, 12,229.44 and 2,606.76

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Solution

The fourth proportional to 8,153.10, 12,229.44 and 2,606.76 is: 3,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.10 : 12,229.44 = 2,606.76 : x
  2. Step 2: Convert to fraction form
    8,153.10/12,229.44 = 2,606.76/x
  3. Step 3: Cross multiply
    8,153.10x = 12,229.44 × 2,606.76
  4. Step 4: Simplify right side
    8,153.10x = 31,879,215.01
  5. Step 5: Solve for x
    x = 31,879,215.01/8,153.10
  6. Step 6: Final answer
    x = 3,910.07

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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.