Home / 8,218.59-12,318.84-3,832.44

Finding the Fourth Proportional to 8,218.59, 12,318.84 and 3,832.44

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Solution

The fourth proportional to 8,218.59, 12,318.84 and 3,832.44 is: 5,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.59 : 12,318.84 = 3,832.44 : x
  2. Step 2: Convert to fraction form
    8,218.59/12,318.84 = 3,832.44/x
  3. Step 3: Cross multiply
    8,218.59x = 12,318.84 × 3,832.44
  4. Step 4: Simplify right side
    8,218.59x = 47,211,215.17
  5. Step 5: Solve for x
    x = 47,211,215.17/8,218.59
  6. Step 6: Final answer
    x = 5,744.44

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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.