Home / 4,360.31-6,540.31-1,438.54

Finding the Fourth Proportional to 4,360.31, 6,540.31 and 1,438.54

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Solution

The fourth proportional to 4,360.31, 6,540.31 and 1,438.54 is: 2,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.31 : 6,540.31 = 1,438.54 : x
  2. Step 2: Convert to fraction form
    4,360.31/6,540.31 = 1,438.54/x
  3. Step 3: Cross multiply
    4,360.31x = 6,540.31 × 1,438.54
  4. Step 4: Simplify right side
    4,360.31x = 9,408,497.55
  5. Step 5: Solve for x
    x = 9,408,497.55/4,360.31
  6. Step 6: Final answer
    x = 2,157.76

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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.