Home / 8,509.08-12,753.84-3,310.56

Finding the Fourth Proportional to 8,509.08, 12,753.84 and 3,310.56

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Solution

The fourth proportional to 8,509.08, 12,753.84 and 3,310.56 is: 4,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.08 : 12,753.84 = 3,310.56 : x
  2. Step 2: Convert to fraction form
    8,509.08/12,753.84 = 3,310.56/x
  3. Step 3: Cross multiply
    8,509.08x = 12,753.84 × 3,310.56
  4. Step 4: Simplify right side
    8,509.08x = 42,222,352.55
  5. Step 5: Solve for x
    x = 42,222,352.55/8,509.08
  6. Step 6: Final answer
    x = 4,962.03

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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.