Home / 6,872.04-10,308.68-1,941.80

Finding the Fourth Proportional to 6,872.04, 10,308.68 and 1,941.80

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Solution

The fourth proportional to 6,872.04, 10,308.68 and 1,941.80 is: 2,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.04 : 10,308.68 = 1,941.80 : x
  2. Step 2: Convert to fraction form
    6,872.04/10,308.68 = 1,941.80/x
  3. Step 3: Cross multiply
    6,872.04x = 10,308.68 × 1,941.80
  4. Step 4: Simplify right side
    6,872.04x = 20,017,394.82
  5. Step 5: Solve for x
    x = 20,017,394.82/6,872.04
  6. Step 6: Final answer
    x = 2,912.88

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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.