Home / 5,419.42-8,124.56-2,644.66

Finding the Fourth Proportional to 5,419.42, 8,124.56 and 2,644.66

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Solution

The fourth proportional to 5,419.42, 8,124.56 and 2,644.66 is: 3,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.42 : 8,124.56 = 2,644.66 : x
  2. Step 2: Convert to fraction form
    5,419.42/8,124.56 = 2,644.66/x
  3. Step 3: Cross multiply
    5,419.42x = 8,124.56 × 2,644.66
  4. Step 4: Simplify right side
    5,419.42x = 21,486,698.85
  5. Step 5: Solve for x
    x = 21,486,698.85/5,419.42
  6. Step 6: Final answer
    x = 3,964.76

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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.