Home / 8,220.24-12,330.36-3,600

Finding the Fourth Proportional to 8,220.24, 12,330.36 and 3,600

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Solution

The fourth proportional to 8,220.24, 12,330.36 and 3,600 is: 5,400

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.24 : 12,330.36 = 3,600 : x
  2. Step 2: Convert to fraction form
    8,220.24/12,330.36 = 3,600/x
  3. Step 3: Cross multiply
    8,220.24x = 12,330.36 × 3,600
  4. Step 4: Simplify right side
    8,220.24x = 44,389,296
  5. Step 5: Solve for x
    x = 44,389,296/8,220.24
  6. Step 6: Final answer
    x = 5,400

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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.