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Finding the Fourth Proportional to 6,912.68, 10,369.34 and 3,017

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Solution

The fourth proportional to 6,912.68, 10,369.34 and 3,017 is: 4,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.68 : 10,369.34 = 3,017 : x
  2. Step 2: Convert to fraction form
    6,912.68/10,369.34 = 3,017/x
  3. Step 3: Cross multiply
    6,912.68x = 10,369.34 × 3,017
  4. Step 4: Simplify right side
    6,912.68x = 31,284,298.78
  5. Step 5: Solve for x
    x = 31,284,298.78/6,912.68
  6. Step 6: Final answer
    x = 4,525.64

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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.