Home / 8,173.09-12,259.94-2,625.70

Finding the Fourth Proportional to 8,173.09, 12,259.94 and 2,625.70

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Solution

The fourth proportional to 8,173.09, 12,259.94 and 2,625.70 is: 3,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.09 : 12,259.94 = 2,625.70 : x
  2. Step 2: Convert to fraction form
    8,173.09/12,259.94 = 2,625.70/x
  3. Step 3: Cross multiply
    8,173.09x = 12,259.94 × 2,625.70
  4. Step 4: Simplify right side
    8,173.09x = 32,190,924.46
  5. Step 5: Solve for x
    x = 32,190,924.46/8,173.09
  6. Step 6: Final answer
    x = 3,938.65

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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.