Home / 8,212.14-11,332.81-4,675.57

Finding the Fourth Proportional to 8,212.14, 11,332.81 and 4,675.57

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Solution

The fourth proportional to 8,212.14, 11,332.81 and 4,675.57 is: 6,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.14 : 11,332.81 = 4,675.57 : x
  2. Step 2: Convert to fraction form
    8,212.14/11,332.81 = 4,675.57/x
  3. Step 3: Cross multiply
    8,212.14x = 11,332.81 × 4,675.57
  4. Step 4: Simplify right side
    8,212.14x = 52,987,346.45
  5. Step 5: Solve for x
    x = 52,987,346.45/8,212.14
  6. Step 6: Final answer
    x = 6,452.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.