Home / 8,259.03-12,380.31-3,327.21

Finding the Fourth Proportional to 8,259.03, 12,380.31 and 3,327.21

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Solution

The fourth proportional to 8,259.03, 12,380.31 and 3,327.21 is: 4,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.03 : 12,380.31 = 3,327.21 : x
  2. Step 2: Convert to fraction form
    8,259.03/12,380.31 = 3,327.21/x
  3. Step 3: Cross multiply
    8,259.03x = 12,380.31 × 3,327.21
  4. Step 4: Simplify right side
    8,259.03x = 41,191,891.24
  5. Step 5: Solve for x
    x = 41,191,891.24/8,259.03
  6. Step 6: Final answer
    x = 4,987.50

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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.