Home / 8,324.04-12,486.78-3,394.02

Finding the Fourth Proportional to 8,324.04, 12,486.78 and 3,394.02

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Solution

The fourth proportional to 8,324.04, 12,486.78 and 3,394.02 is: 5,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.04 : 12,486.78 = 3,394.02 : x
  2. Step 2: Convert to fraction form
    8,324.04/12,486.78 = 3,394.02/x
  3. Step 3: Cross multiply
    8,324.04x = 12,486.78 × 3,394.02
  4. Step 4: Simplify right side
    8,324.04x = 42,380,381.06
  5. Step 5: Solve for x
    x = 42,380,381.06/8,324.04
  6. Step 6: Final answer
    x = 5,091.32

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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.