Home / 7,908.28-11,862.42-3,230.49

Finding the Fourth Proportional to 7,908.28, 11,862.42 and 3,230.49

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Solution

The fourth proportional to 7,908.28, 11,862.42 and 3,230.49 is: 4,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.28 : 11,862.42 = 3,230.49 : x
  2. Step 2: Convert to fraction form
    7,908.28/11,862.42 = 3,230.49/x
  3. Step 3: Cross multiply
    7,908.28x = 11,862.42 × 3,230.49
  4. Step 4: Simplify right side
    7,908.28x = 38,321,428.19
  5. Step 5: Solve for x
    x = 38,321,428.19/7,908.28
  6. Step 6: Final answer
    x = 4,845.73

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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.