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Finding the Fourth Proportional to 6,343.33, 9,515 and 1,960.69

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Solution

The fourth proportional to 6,343.33, 9,515 and 1,960.69 is: 2,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.33 : 9,515 = 1,960.69 : x
  2. Step 2: Convert to fraction form
    6,343.33/9,515 = 1,960.69/x
  3. Step 3: Cross multiply
    6,343.33x = 9,515 × 1,960.69
  4. Step 4: Simplify right side
    6,343.33x = 18,655,965.35
  5. Step 5: Solve for x
    x = 18,655,965.35/6,343.33
  6. Step 6: Final answer
    x = 2,941.04

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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.