Home / 7,634.28-11,451.87-2,439.75

Finding the Fourth Proportional to 7,634.28, 11,451.87 and 2,439.75

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Solution

The fourth proportional to 7,634.28, 11,451.87 and 2,439.75 is: 3,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.28 : 11,451.87 = 2,439.75 : x
  2. Step 2: Convert to fraction form
    7,634.28/11,451.87 = 2,439.75/x
  3. Step 3: Cross multiply
    7,634.28x = 11,451.87 × 2,439.75
  4. Step 4: Simplify right side
    7,634.28x = 27,939,699.83
  5. Step 5: Solve for x
    x = 27,939,699.83/7,634.28
  6. Step 6: Final answer
    x = 3,659.77

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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.