Home / 8,124.40-12,189.08-3,441.97

Finding the Fourth Proportional to 8,124.40, 12,189.08 and 3,441.97

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Solution

The fourth proportional to 8,124.40, 12,189.08 and 3,441.97 is: 5,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.40 : 12,189.08 = 3,441.97 : x
  2. Step 2: Convert to fraction form
    8,124.40/12,189.08 = 3,441.97/x
  3. Step 3: Cross multiply
    8,124.40x = 12,189.08 × 3,441.97
  4. Step 4: Simplify right side
    8,124.40x = 41,954,447.69
  5. Step 5: Solve for x
    x = 41,954,447.69/8,124.40
  6. Step 6: Final answer
    x = 5,164.01

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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.