Home / 4,256.21-6,388.34-2,615.96

Finding the Fourth Proportional to 4,256.21, 6,388.34 and 2,615.96

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Solution

The fourth proportional to 4,256.21, 6,388.34 and 2,615.96 is: 3,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.21 : 6,388.34 = 2,615.96 : x
  2. Step 2: Convert to fraction form
    4,256.21/6,388.34 = 2,615.96/x
  3. Step 3: Cross multiply
    4,256.21x = 6,388.34 × 2,615.96
  4. Step 4: Simplify right side
    4,256.21x = 16,711,596.88
  5. Step 5: Solve for x
    x = 16,711,596.88/4,256.21
  6. Step 6: Final answer
    x = 3,926.41

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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.