Home / 8,431.26-12,649.32-2,588.73

Finding the Fourth Proportional to 8,431.26, 12,649.32 and 2,588.73

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Solution

The fourth proportional to 8,431.26, 12,649.32 and 2,588.73 is: 3,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.26 : 12,649.32 = 2,588.73 : x
  2. Step 2: Convert to fraction form
    8,431.26/12,649.32 = 2,588.73/x
  3. Step 3: Cross multiply
    8,431.26x = 12,649.32 × 2,588.73
  4. Step 4: Simplify right side
    8,431.26x = 32,745,674.16
  5. Step 5: Solve for x
    x = 32,745,674.16/8,431.26
  6. Step 6: Final answer
    x = 3,883.84

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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.