Home / 8,125.97-12,189.02-2,579.33

Finding the Fourth Proportional to 8,125.97, 12,189.02 and 2,579.33

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Solution

The fourth proportional to 8,125.97, 12,189.02 and 2,579.33 is: 3,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.97 : 12,189.02 = 2,579.33 : x
  2. Step 2: Convert to fraction form
    8,125.97/12,189.02 = 2,579.33/x
  3. Step 3: Cross multiply
    8,125.97x = 12,189.02 × 2,579.33
  4. Step 4: Simplify right side
    8,125.97x = 31,439,522.53
  5. Step 5: Solve for x
    x = 31,439,522.53/8,125.97
  6. Step 6: Final answer
    x = 3,869.02

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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.