Home / 8,157.23-12,236.66-2,609.18

Finding the Fourth Proportional to 8,157.23, 12,236.66 and 2,609.18

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Solution

The fourth proportional to 8,157.23, 12,236.66 and 2,609.18 is: 3,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.23 : 12,236.66 = 2,609.18 : x
  2. Step 2: Convert to fraction form
    8,157.23/12,236.66 = 2,609.18/x
  3. Step 3: Cross multiply
    8,157.23x = 12,236.66 × 2,609.18
  4. Step 4: Simplify right side
    8,157.23x = 31,927,635.49
  5. Step 5: Solve for x
    x = 31,927,635.49/8,157.23
  6. Step 6: Final answer
    x = 3,914.03

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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.