Home / 8,171.66-12,259.53-2,625.56

Finding the Fourth Proportional to 8,171.66, 12,259.53 and 2,625.56

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Solution

The fourth proportional to 8,171.66, 12,259.53 and 2,625.56 is: 3,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.66 : 12,259.53 = 2,625.56 : x
  2. Step 2: Convert to fraction form
    8,171.66/12,259.53 = 2,625.56/x
  3. Step 3: Cross multiply
    8,171.66x = 12,259.53 × 2,625.56
  4. Step 4: Simplify right side
    8,171.66x = 32,188,070.29
  5. Step 5: Solve for x
    x = 32,188,070.29/8,171.66
  6. Step 6: Final answer
    x = 3,938.99

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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.