Home / 8,327.18-12,487.48-3,395.05

Finding the Fourth Proportional to 8,327.18, 12,487.48 and 3,395.05

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Solution

The fourth proportional to 8,327.18, 12,487.48 and 3,395.05 is: 5,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.18 : 12,487.48 = 3,395.05 : x
  2. Step 2: Convert to fraction form
    8,327.18/12,487.48 = 3,395.05/x
  3. Step 3: Cross multiply
    8,327.18x = 12,487.48 × 3,395.05
  4. Step 4: Simplify right side
    8,327.18x = 42,395,618.97
  5. Step 5: Solve for x
    x = 42,395,618.97/8,327.18
  6. Step 6: Final answer
    x = 5,091.23

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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.