Home / 6,634.40-9,155.62-3,650.51

Finding the Fourth Proportional to 6,634.40, 9,155.62 and 3,650.51

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Solution

The fourth proportional to 6,634.40, 9,155.62 and 3,650.51 is: 5,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.40 : 9,155.62 = 3,650.51 : x
  2. Step 2: Convert to fraction form
    6,634.40/9,155.62 = 3,650.51/x
  3. Step 3: Cross multiply
    6,634.40x = 9,155.62 × 3,650.51
  4. Step 4: Simplify right side
    6,634.40x = 33,422,664.11
  5. Step 5: Solve for x
    x = 33,422,664.11/6,634.40
  6. Step 6: Final answer
    x = 5,037.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.