Home / 8,264.42-12,396.57-3,330.57

Finding the Fourth Proportional to 8,264.42, 12,396.57 and 3,330.57

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Solution

The fourth proportional to 8,264.42, 12,396.57 and 3,330.57 is: 4,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.42 : 12,396.57 = 3,330.57 : x
  2. Step 2: Convert to fraction form
    8,264.42/12,396.57 = 3,330.57/x
  3. Step 3: Cross multiply
    8,264.42x = 12,396.57 × 3,330.57
  4. Step 4: Simplify right side
    8,264.42x = 41,287,644.14
  5. Step 5: Solve for x
    x = 41,287,644.14/8,264.42
  6. Step 6: Final answer
    x = 4,995.83

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1.5x scale

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.