Home / 4,311.44-6,451.80-2,666.64

Finding the Fourth Proportional to 4,311.44, 6,451.80 and 2,666.64

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Solution

The fourth proportional to 4,311.44, 6,451.80 and 2,666.64 is: 3,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.44 : 6,451.80 = 2,666.64 : x
  2. Step 2: Convert to fraction form
    4,311.44/6,451.80 = 2,666.64/x
  3. Step 3: Cross multiply
    4,311.44x = 6,451.80 × 2,666.64
  4. Step 4: Simplify right side
    4,311.44x = 17,204,627.95
  5. Step 5: Solve for x
    x = 17,204,627.95/4,311.44
  6. Step 6: Final answer
    x = 3,990.46

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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.