Home / 7,634.40-11,451.60-2,440.32

Finding the Fourth Proportional to 7,634.40, 11,451.60 and 2,440.32

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Solution

The fourth proportional to 7,634.40, 11,451.60 and 2,440.32 is: 3,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.40 : 11,451.60 = 2,440.32 : x
  2. Step 2: Convert to fraction form
    7,634.40/11,451.60 = 2,440.32/x
  3. Step 3: Cross multiply
    7,634.40x = 11,451.60 × 2,440.32
  4. Step 4: Simplify right side
    7,634.40x = 27,945,568.51
  5. Step 5: Solve for x
    x = 27,945,568.51/7,634.40
  6. Step 6: Final answer
    x = 3,660.48

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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.