Home / 4,126.78-6,175.81-3,886.89

Finding the Fourth Proportional to 4,126.78, 6,175.81 and 3,886.89

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Solution

The fourth proportional to 4,126.78, 6,175.81 and 3,886.89 is: 5,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.78 : 6,175.81 = 3,886.89 : x
  2. Step 2: Convert to fraction form
    4,126.78/6,175.81 = 3,886.89/x
  3. Step 3: Cross multiply
    4,126.78x = 6,175.81 × 3,886.89
  4. Step 4: Simplify right side
    4,126.78x = 24,004,675.83
  5. Step 5: Solve for x
    x = 24,004,675.83/4,126.78
  6. Step 6: Final answer
    x = 5,816.80

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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.