Home / 4,314.54-6,469.20-1,540.70

Finding the Fourth Proportional to 4,314.54, 6,469.20 and 1,540.70

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Solution

The fourth proportional to 4,314.54, 6,469.20 and 1,540.70 is: 2,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.54 : 6,469.20 = 1,540.70 : x
  2. Step 2: Convert to fraction form
    4,314.54/6,469.20 = 1,540.70/x
  3. Step 3: Cross multiply
    4,314.54x = 6,469.20 × 1,540.70
  4. Step 4: Simplify right side
    4,314.54x = 9,967,064.09
  5. Step 5: Solve for x
    x = 9,967,064.09/4,314.54
  6. Step 6: Final answer
    x = 2,310.11

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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.