Home / 4,311.46-6,464.40-1,845.60

Finding the Fourth Proportional to 4,311.46, 6,464.40 and 1,845.60

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Solution

The fourth proportional to 4,311.46, 6,464.40 and 1,845.60 is: 2,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.46 : 6,464.40 = 1,845.60 : x
  2. Step 2: Convert to fraction form
    4,311.46/6,464.40 = 1,845.60/x
  3. Step 3: Cross multiply
    4,311.46x = 6,464.40 × 1,845.60
  4. Step 4: Simplify right side
    4,311.46x = 11,930,696.64
  5. Step 5: Solve for x
    x = 11,930,696.64/4,311.46
  6. Step 6: Final answer
    x = 2,767.21

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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.