Home / 7,435.45-10,260.84-4,078.25

Finding the Fourth Proportional to 7,435.45, 10,260.84 and 4,078.25

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Solution

The fourth proportional to 7,435.45, 10,260.84 and 4,078.25 is: 5,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.45 : 10,260.84 = 4,078.25 : x
  2. Step 2: Convert to fraction form
    7,435.45/10,260.84 = 4,078.25/x
  3. Step 3: Cross multiply
    7,435.45x = 10,260.84 × 4,078.25
  4. Step 4: Simplify right side
    7,435.45x = 41,846,238.79
  5. Step 5: Solve for x
    x = 41,846,238.79/7,435.45
  6. Step 6: Final answer
    x = 5,627.94

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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.