Home / 8,202.10-12,302.36-3,270.42

Finding the Fourth Proportional to 8,202.10, 12,302.36 and 3,270.42

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Solution

The fourth proportional to 8,202.10, 12,302.36 and 3,270.42 is: 4,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.10 : 12,302.36 = 3,270.42 : x
  2. Step 2: Convert to fraction form
    8,202.10/12,302.36 = 3,270.42/x
  3. Step 3: Cross multiply
    8,202.10x = 12,302.36 × 3,270.42
  4. Step 4: Simplify right side
    8,202.10x = 40,233,830.86
  5. Step 5: Solve for x
    x = 40,233,830.86/8,202.10
  6. Step 6: Final answer
    x = 4,905.31

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1.5x scale

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.