Home / 7,946.28-11,912.04-4,251.06

Finding the Fourth Proportional to 7,946.28, 11,912.04 and 4,251.06

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Solution

The fourth proportional to 7,946.28, 11,912.04 and 4,251.06 is: 6,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.28 : 11,912.04 = 4,251.06 : x
  2. Step 2: Convert to fraction form
    7,946.28/11,912.04 = 4,251.06/x
  3. Step 3: Cross multiply
    7,946.28x = 11,912.04 × 4,251.06
  4. Step 4: Simplify right side
    7,946.28x = 50,638,796.76
  5. Step 5: Solve for x
    x = 50,638,796.76/7,946.28
  6. Step 6: Final answer
    x = 6,372.64

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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.