Home / 7,632.28-11,447.31-2,954.49

Finding the Fourth Proportional to 7,632.28, 11,447.31 and 2,954.49

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Solution

The fourth proportional to 7,632.28, 11,447.31 and 2,954.49 is: 4,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.28 : 11,447.31 = 2,954.49 : x
  2. Step 2: Convert to fraction form
    7,632.28/11,447.31 = 2,954.49/x
  3. Step 3: Cross multiply
    7,632.28x = 11,447.31 × 2,954.49
  4. Step 4: Simplify right side
    7,632.28x = 33,820,962.92
  5. Step 5: Solve for x
    x = 33,820,962.92/7,632.28
  6. Step 6: Final answer
    x = 4,431.31

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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.