Home / 7,435.97-10,261.91-4,078.79

Finding the Fourth Proportional to 7,435.97, 10,261.91 and 4,078.79

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Solution

The fourth proportional to 7,435.97, 10,261.91 and 4,078.79 is: 5,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.97 : 10,261.91 = 4,078.79 : x
  2. Step 2: Convert to fraction form
    7,435.97/10,261.91 = 4,078.79/x
  3. Step 3: Cross multiply
    7,435.97x = 10,261.91 × 4,078.79
  4. Step 4: Simplify right side
    7,435.97x = 41,856,181.15
  5. Step 5: Solve for x
    x = 41,856,181.15/7,435.97
  6. Step 6: Final answer
    x = 5,628.88

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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.