Home / 4,146.78-6,211.53-1,839.90

Finding the Fourth Proportional to 4,146.78, 6,211.53 and 1,839.90

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Solution

The fourth proportional to 4,146.78, 6,211.53 and 1,839.90 is: 2,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.78 : 6,211.53 = 1,839.90 : x
  2. Step 2: Convert to fraction form
    4,146.78/6,211.53 = 1,839.90/x
  3. Step 3: Cross multiply
    4,146.78x = 6,211.53 × 1,839.90
  4. Step 4: Simplify right side
    4,146.78x = 11,428,594.05
  5. Step 5: Solve for x
    x = 11,428,594.05/4,146.78
  6. Step 6: Final answer
    x = 2,756.02

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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.