Home / 6,343.08-9,515.84-1,960.38

Finding the Fourth Proportional to 6,343.08, 9,515.84 and 1,960.38

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Solution

The fourth proportional to 6,343.08, 9,515.84 and 1,960.38 is: 2,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.08 : 9,515.84 = 1,960.38 : x
  2. Step 2: Convert to fraction form
    6,343.08/9,515.84 = 1,960.38/x
  3. Step 3: Cross multiply
    6,343.08x = 9,515.84 × 1,960.38
  4. Step 4: Simplify right side
    6,343.08x = 18,654,662.42
  5. Step 5: Solve for x
    x = 18,654,662.42/6,343.08
  6. Step 6: Final answer
    x = 2,940.95

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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.