Home / 7,634.28-11,451.54-2,443.80

Finding the Fourth Proportional to 7,634.28, 11,451.54 and 2,443.80

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Solution

The fourth proportional to 7,634.28, 11,451.54 and 2,443.80 is: 3,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.28 : 11,451.54 = 2,443.80 : x
  2. Step 2: Convert to fraction form
    7,634.28/11,451.54 = 2,443.80/x
  3. Step 3: Cross multiply
    7,634.28x = 11,451.54 × 2,443.80
  4. Step 4: Simplify right side
    7,634.28x = 27,985,273.45
  5. Step 5: Solve for x
    x = 27,985,273.45/7,634.28
  6. Step 6: Final answer
    x = 3,665.74

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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.