Home / 4,331.78-6,498.06-1,211.84

Finding the Fourth Proportional to 4,331.78, 6,498.06 and 1,211.84

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Solution

The fourth proportional to 4,331.78, 6,498.06 and 1,211.84 is: 1,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.78 : 6,498.06 = 1,211.84 : x
  2. Step 2: Convert to fraction form
    4,331.78/6,498.06 = 1,211.84/x
  3. Step 3: Cross multiply
    4,331.78x = 6,498.06 × 1,211.84
  4. Step 4: Simplify right side
    4,331.78x = 7,874,583.20
  5. Step 5: Solve for x
    x = 7,874,583.20/4,331.78
  6. Step 6: Final answer
    x = 1,817.86

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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.