Home / 8,157.24-12,236.75-2,609.28

Finding the Fourth Proportional to 8,157.24, 12,236.75 and 2,609.28

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Solution

The fourth proportional to 8,157.24, 12,236.75 and 2,609.28 is: 3,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.24 : 12,236.75 = 2,609.28 : x
  2. Step 2: Convert to fraction form
    8,157.24/12,236.75 = 2,609.28/x
  3. Step 3: Cross multiply
    8,157.24x = 12,236.75 × 2,609.28
  4. Step 4: Simplify right side
    8,157.24x = 31,929,107.04
  5. Step 5: Solve for x
    x = 31,929,107.04/8,157.24
  6. Step 6: Final answer
    x = 3,914.20

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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.