Home / 8,202.24-11,320.20-6,209.64

Finding the Fourth Proportional to 8,202.24, 11,320.20 and 6,209.64

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Solution

The fourth proportional to 8,202.24, 11,320.20 and 6,209.64 is: 8,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.24 : 11,320.20 = 6,209.64 : x
  2. Step 2: Convert to fraction form
    8,202.24/11,320.20 = 6,209.64/x
  3. Step 3: Cross multiply
    8,202.24x = 11,320.20 × 6,209.64
  4. Step 4: Simplify right side
    8,202.24x = 70,294,366.73
  5. Step 5: Solve for x
    x = 70,294,366.73/8,202.24
  6. Step 6: Final answer
    x = 8,570.14

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1.5x scale

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.