Home / 8,500.80-12,754.32-3,310.24

Finding the Fourth Proportional to 8,500.80, 12,754.32 and 3,310.24

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Solution

The fourth proportional to 8,500.80, 12,754.32 and 3,310.24 is: 4,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.80 : 12,754.32 = 3,310.24 : x
  2. Step 2: Convert to fraction form
    8,500.80/12,754.32 = 3,310.24/x
  3. Step 3: Cross multiply
    8,500.80x = 12,754.32 × 3,310.24
  4. Step 4: Simplify right side
    8,500.80x = 42,219,860.24
  5. Step 5: Solve for x
    x = 42,219,860.24/8,500.80
  6. Step 6: Final answer
    x = 4,966.57

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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.