Home / 8,563.20-12,845.60-3,300.02

Finding the Fourth Proportional to 8,563.20, 12,845.60 and 3,300.02

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Solution

The fourth proportional to 8,563.20, 12,845.60 and 3,300.02 is: 4,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.20 : 12,845.60 = 3,300.02 : x
  2. Step 2: Convert to fraction form
    8,563.20/12,845.60 = 3,300.02/x
  3. Step 3: Cross multiply
    8,563.20x = 12,845.60 × 3,300.02
  4. Step 4: Simplify right side
    8,563.20x = 42,390,672.68
  5. Step 5: Solve for x
    x = 42,390,672.68/8,563.20
  6. Step 6: Final answer
    x = 4,950.33

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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.