Home / 8,331.94-12,496.65-2,489.05

Finding the Fourth Proportional to 8,331.94, 12,496.65 and 2,489.05

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Solution

The fourth proportional to 8,331.94, 12,496.65 and 2,489.05 is: 3,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.94 : 12,496.65 = 2,489.05 : x
  2. Step 2: Convert to fraction form
    8,331.94/12,496.65 = 2,489.05/x
  3. Step 3: Cross multiply
    8,331.94x = 12,496.65 × 2,489.05
  4. Step 4: Simplify right side
    8,331.94x = 31,104,786.68
  5. Step 5: Solve for x
    x = 31,104,786.68/8,331.94
  6. Step 6: Final answer
    x = 3,733.20

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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.