Home / 6,821.50-10,230-2,203.42

Finding the Fourth Proportional to 6,821.50, 10,230 and 2,203.42

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Solution

The fourth proportional to 6,821.50, 10,230 and 2,203.42 is: 3,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.50 : 10,230 = 2,203.42 : x
  2. Step 2: Convert to fraction form
    6,821.50/10,230 = 2,203.42/x
  3. Step 3: Cross multiply
    6,821.50x = 10,230 × 2,203.42
  4. Step 4: Simplify right side
    6,821.50x = 22,540,986.60
  5. Step 5: Solve for x
    x = 22,540,986.60/6,821.50
  6. Step 6: Final answer
    x = 3,304.40

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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.