Home / 8,214.01-12,319.09-3,282.32

Finding the Fourth Proportional to 8,214.01, 12,319.09 and 3,282.32

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Solution

The fourth proportional to 8,214.01, 12,319.09 and 3,282.32 is: 4,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.01 : 12,319.09 = 3,282.32 : x
  2. Step 2: Convert to fraction form
    8,214.01/12,319.09 = 3,282.32/x
  3. Step 3: Cross multiply
    8,214.01x = 12,319.09 × 3,282.32
  4. Step 4: Simplify right side
    8,214.01x = 40,435,218.08
  5. Step 5: Solve for x
    x = 40,435,218.08/8,214.01
  6. Step 6: Final answer
    x = 4,922.72

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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.