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Finding the Fourth Proportional to 6,871.68, 10,291.04 and 3,941.12

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Solution

The fourth proportional to 6,871.68, 10,291.04 and 3,941.12 is: 5,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.68 : 10,291.04 = 3,941.12 : x
  2. Step 2: Convert to fraction form
    6,871.68/10,291.04 = 3,941.12/x
  3. Step 3: Cross multiply
    6,871.68x = 10,291.04 × 3,941.12
  4. Step 4: Simplify right side
    6,871.68x = 40,558,223.56
  5. Step 5: Solve for x
    x = 40,558,223.56/6,871.68
  6. Step 6: Final answer
    x = 5,902.23

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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.