Home / 4,077.38-5,625.78-2,660.64

Finding the Fourth Proportional to 4,077.38, 5,625.78 and 2,660.64

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Solution

The fourth proportional to 4,077.38, 5,625.78 and 2,660.64 is: 3,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.38 : 5,625.78 = 2,660.64 : x
  2. Step 2: Convert to fraction form
    4,077.38/5,625.78 = 2,660.64/x
  3. Step 3: Cross multiply
    4,077.38x = 5,625.78 × 2,660.64
  4. Step 4: Simplify right side
    4,077.38x = 14,968,175.30
  5. Step 5: Solve for x
    x = 14,968,175.30/4,077.38
  6. Step 6: Final answer
    x = 3,671.03

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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.