Home / 8,171.97-12,259.55-2,624.89

Finding the Fourth Proportional to 8,171.97, 12,259.55 and 2,624.89

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Solution

The fourth proportional to 8,171.97, 12,259.55 and 2,624.89 is: 3,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.97 : 12,259.55 = 2,624.89 : x
  2. Step 2: Convert to fraction form
    8,171.97/12,259.55 = 2,624.89/x
  3. Step 3: Cross multiply
    8,171.97x = 12,259.55 × 2,624.89
  4. Step 4: Simplify right side
    8,171.97x = 32,179,970.20
  5. Step 5: Solve for x
    x = 32,179,970.20/8,171.97
  6. Step 6: Final answer
    x = 3,937.85

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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.