Home / 4,175.78-6,261.83-1,253.40

Finding the Fourth Proportional to 4,175.78, 6,261.83 and 1,253.40

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Solution

The fourth proportional to 4,175.78, 6,261.83 and 1,253.40 is: 1,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.78 : 6,261.83 = 1,253.40 : x
  2. Step 2: Convert to fraction form
    4,175.78/6,261.83 = 1,253.40/x
  3. Step 3: Cross multiply
    4,175.78x = 6,261.83 × 1,253.40
  4. Step 4: Simplify right side
    4,175.78x = 7,848,571.46
  5. Step 5: Solve for x
    x = 7,848,571.46/4,175.78
  6. Step 6: Final answer
    x = 1,879.55

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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.