Home / 4,322.12-6,486.39-3,214.12

Finding the Fourth Proportional to 4,322.12, 6,486.39 and 3,214.12

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Solution

The fourth proportional to 4,322.12, 6,486.39 and 3,214.12 is: 4,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.12 : 6,486.39 = 3,214.12 : x
  2. Step 2: Convert to fraction form
    4,322.12/6,486.39 = 3,214.12/x
  3. Step 3: Cross multiply
    4,322.12x = 6,486.39 × 3,214.12
  4. Step 4: Simplify right side
    4,322.12x = 20,848,035.83
  5. Step 5: Solve for x
    x = 20,848,035.83/4,322.12
  6. Step 6: Final answer
    x = 4,823.57

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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.