Home / 8,813.25-13,212.87-4,367.79

Finding the Fourth Proportional to 8,813.25, 13,212.87 and 4,367.79

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Solution

The fourth proportional to 8,813.25, 13,212.87 and 4,367.79 is: 6,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.25 : 13,212.87 = 4,367.79 : x
  2. Step 2: Convert to fraction form
    8,813.25/13,212.87 = 4,367.79/x
  3. Step 3: Cross multiply
    8,813.25x = 13,212.87 × 4,367.79
  4. Step 4: Simplify right side
    8,813.25x = 57,711,041.46
  5. Step 5: Solve for x
    x = 57,711,041.46/8,813.25
  6. Step 6: Final answer
    x = 6,548.21

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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.